andre/30-seconds-of-code
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Angelos Chalaris
2018-11-07 15:03:44 +02:00
parent 81c975289c 419c7c63c0
commit d4a6522eea
14 changed files with 4342 additions and 4244 deletions
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680
README.md
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15
dist/_30s.es5.js vendored
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@ -1481,12 +1481,12 @@
});
};
var longestItem = function longestItem(val) {
for (var _len29 = arguments.length, vals = new Array(_len29 > 1 ? _len29 - 1 : 0), _key29 = 1; _key29 < _len29; _key29++) {
vals[_key29 - 1] = arguments[_key29];
var longestItem = function longestItem() {
for (var _len29 = arguments.length, vals = new Array(_len29), _key29 = 0; _key29 < _len29; _key29++) {
vals[_key29] = arguments[_key29];
}
return [val].concat(vals).reduce(function (a, x) {
return vals.reduce(function (a, x) {
return x.length > a.length ? x : a;
});
};
@ -2633,6 +2633,12 @@
}).join('_');
};
var toTitleCase = function toTitleCase(str) {
return str.match(/[A-Z]{2,}(?=[A-Z][a-z]+[0-9]*|\b)|[A-Z]?[a-z]+[0-9]*|[A-Z]|[0-9]+/g).map(function (x) {
return x.charAt(0).toUpperCase() + x.slice(1);
}).join(' ');
};
var toggleClass = function toggleClass(el, className) {
return el.classList.toggle(className);
};
@ -3199,6 +3205,7 @@
toOrdinalSuffix: toOrdinalSuffix,
toSafeInteger: toSafeInteger,
toSnakeCase: toSnakeCase,
toTitleCase: toTitleCase,
toggleClass: toggleClass,
tomorrow: tomorrow,
transform: transform,

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10
dist/_30s.esm.js vendored
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@ -642,8 +642,7 @@ const lcm = (...arr) => {
const _lcm = (x, y) => (x * y) / gcd(x, y);
return [...arr].reduce((a, b) => _lcm(a, b));
};
const longestItem = (val, ...vals) =>
[val, ...vals].reduce((a, x) => (x.length > a.length ? x : a));
const longestItem = (...vals) => vals.reduce((a, x) => (x.length > a.length ? x : a));
const lowercaseKeys = obj =>
Object.keys(obj).reduce((acc, key) => {
acc[key.toLowerCase()] = obj[key];
@ -1204,6 +1203,11 @@ const toSnakeCase = str =>
.match(/[A-Z]{2,}(?=[A-Z][a-z]+[0-9]*|\b)|[A-Z]?[a-z]+[0-9]*|[A-Z]|[0-9]+/g)
.map(x => x.toLowerCase())
.join('_');
const toTitleCase = str =>
str
.match(/[A-Z]{2,}(?=[A-Z][a-z]+[0-9]*|\b)|[A-Z]?[a-z]+[0-9]*|[A-Z]|[0-9]+/g)
.map(x => x.charAt(0).toUpperCase() + x.slice(1))
.join(' ');
const toggleClass = (el, className) => el.classList.toggle(className);
const tomorrow = (long = false) => {
let t = new Date();
@ -1321,4 +1325,4 @@ const zipWith = (...array) => {
};
module.exports = {CSVToArray,CSVToJSON,JSONToFile,JSONtoCSV,RGBToHex,URLJoin,UUIDGeneratorBrowser,UUIDGeneratorNode,all,allEqual,any,approximatelyEqual,arrayToCSV,arrayToHtmlList,ary,atob,attempt,average,averageBy,bifurcate,bifurcateBy,bind,bindAll,bindKey,binomialCoefficient,bottomVisible,btoa,byteSize,call,capitalize,capitalizeEveryWord,castArray,chainAsync,chunk,clampNumber,cloneRegExp,coalesce,coalesceFactory,collectInto,colorize,compact,compose,composeRight,converge,copyToClipboard,countBy,countOccurrences,counter,createElement,createEventHub,currentURL,curry,dayOfYear,debounce,decapitalize,deepClone,deepFlatten,deepFreeze,defaults,defer,degreesToRads,delay,detectDeviceType,difference,differenceBy,differenceWith,dig,digitize,distance,drop,dropRight,dropRightWhile,dropWhile,elementContains,elementIsVisibleInViewport,elo,equals,escapeHTML,escapeRegExp,everyNth,extendHex,factorial,fibonacci,filterNonUnique,filterNonUniqueBy,findKey,findLast,findLastIndex,findLastKey,flatten,flattenObject,flip,forEachRight,forOwn,forOwnRight,formatDuration,fromCamelCase,functionName,functions,gcd,geometricProgression,get,getColonTimeFromDate,getDaysDiffBetweenDates,getImages,getMeridiemSuffixOfInteger,getScrollPosition,getStyle,getType,getURLParameters,groupBy,hammingDistance,hasClass,hasFlags,hashBrowser,hashNode,head,hexToRGB,hide,httpGet,httpPost,httpsRedirect,hz,inRange,indentString,indexOfAll,initial,initialize2DArray,initializeArrayWithRange,initializeArrayWithRangeRight,initializeArrayWithValues,initializeNDArray,insertAfter,insertBefore,intersection,intersectionBy,intersectionWith,invertKeyValues,is,isAbsoluteURL,isAfterDate,isAnagram,isArrayLike,isBeforeDate,isBoolean,isBrowser,isBrowserTabFocused,isDivisible,isDuplexStream,isEmpty,isEven,isFunction,isLowerCase,isNil,isNull,isNumber,isObject,isObjectLike,isPlainObject,isPrime,isPrimitive,isPromiseLike,isReadableStream,isSameDate,isSorted,isStream,isString,isSymbol,isTravisCI,isUndefined,isUpperCase,isValidJSON,isWritableStream,join,last,lcm,longestItem,lowercaseKeys,luhnCheck,mapKeys,mapObject,mapString,mapValues,mask,matches,matchesWith,maxBy,maxDate,maxN,median,memoize,merge,minBy,minDate,minN,mostPerformant,negate,nest,nodeListToArray,none,nthArg,nthElement,objectFromPairs,objectToPairs,observeMutations,off,offset,omit,omitBy,on,onUserInputChange,once,orderBy,over,overArgs,pad,palindrome,parseCookie,partial,partialRight,partition,percentile,permutations,pick,pickBy,pipeAsyncFunctions,pipeFunctions,pluralize,powerset,prefix,prettyBytes,primes,promisify,pull,pullAtIndex,pullAtValue,pullBy,radsToDegrees,randomHexColorCode,randomIntArrayInRange,randomIntegerInRange,randomNumberInRange,readFileLines,rearg,recordAnimationFrames,redirect,reduceSuccessive,reduceWhich,reducedFilter,reject,remove,removeNonASCII,renameKeys,reverseString,round,runAsync,runPromisesInSeries,sample,sampleSize,scrollToTop,sdbm,serializeCookie,setStyle,shallowClone,shank,show,shuffle,similarity,size,sleep,smoothScroll,sortCharactersInString,sortedIndex,sortedIndexBy,sortedLastIndex,sortedLastIndexBy,splitLines,spreadOver,stableSort,standardDeviation,stringPermutations,stripHTMLTags,sum,sumBy,sumPower,symmetricDifference,symmetricDifferenceBy,symmetricDifferenceWith,tail,take,takeRight,takeRightWhile,takeWhile,throttle,timeTaken,times,toCamelCase,toCurrency,toDecimalMark,toHash,toKebabCase,toOrdinalSuffix,toSafeInteger,toSnakeCase,toggleClass,tomorrow,transform,triggerEvent,truncateString,truthCheckCollection,unary,uncurry,unescapeHTML,unflattenObject,unfold,union,unionBy,unionWith,uniqueElements,uniqueElementsBy,uniqueElementsByRight,uniqueSymmetricDifference,untildify,unzip,unzipWith,validateNumber,when,without,words,xProd,yesNo,zip,zipObject,zipWith};
module.exports = {CSVToArray,CSVToJSON,JSONToFile,JSONtoCSV,RGBToHex,URLJoin,UUIDGeneratorBrowser,UUIDGeneratorNode,all,allEqual,any,approximatelyEqual,arrayToCSV,arrayToHtmlList,ary,atob,attempt,average,averageBy,bifurcate,bifurcateBy,bind,bindAll,bindKey,binomialCoefficient,bottomVisible,btoa,byteSize,call,capitalize,capitalizeEveryWord,castArray,chainAsync,chunk,clampNumber,cloneRegExp,coalesce,coalesceFactory,collectInto,colorize,compact,compose,composeRight,converge,copyToClipboard,countBy,countOccurrences,counter,createElement,createEventHub,currentURL,curry,dayOfYear,debounce,decapitalize,deepClone,deepFlatten,deepFreeze,defaults,defer,degreesToRads,delay,detectDeviceType,difference,differenceBy,differenceWith,dig,digitize,distance,drop,dropRight,dropRightWhile,dropWhile,elementContains,elementIsVisibleInViewport,elo,equals,escapeHTML,escapeRegExp,everyNth,extendHex,factorial,fibonacci,filterNonUnique,filterNonUniqueBy,findKey,findLast,findLastIndex,findLastKey,flatten,flattenObject,flip,forEachRight,forOwn,forOwnRight,formatDuration,fromCamelCase,functionName,functions,gcd,geometricProgression,get,getColonTimeFromDate,getDaysDiffBetweenDates,getImages,getMeridiemSuffixOfInteger,getScrollPosition,getStyle,getType,getURLParameters,groupBy,hammingDistance,hasClass,hasFlags,hashBrowser,hashNode,head,hexToRGB,hide,httpGet,httpPost,httpsRedirect,hz,inRange,indentString,indexOfAll,initial,initialize2DArray,initializeArrayWithRange,initializeArrayWithRangeRight,initializeArrayWithValues,initializeNDArray,insertAfter,insertBefore,intersection,intersectionBy,intersectionWith,invertKeyValues,is,isAbsoluteURL,isAfterDate,isAnagram,isArrayLike,isBeforeDate,isBoolean,isBrowser,isBrowserTabFocused,isDivisible,isDuplexStream,isEmpty,isEven,isFunction,isLowerCase,isNil,isNull,isNumber,isObject,isObjectLike,isPlainObject,isPrime,isPrimitive,isPromiseLike,isReadableStream,isSameDate,isSorted,isStream,isString,isSymbol,isTravisCI,isUndefined,isUpperCase,isValidJSON,isWritableStream,join,last,lcm,longestItem,lowercaseKeys,luhnCheck,mapKeys,mapObject,mapString,mapValues,mask,matches,matchesWith,maxBy,maxDate,maxN,median,memoize,merge,minBy,minDate,minN,mostPerformant,negate,nest,nodeListToArray,none,nthArg,nthElement,objectFromPairs,objectToPairs,observeMutations,off,offset,omit,omitBy,on,onUserInputChange,once,orderBy,over,overArgs,pad,palindrome,parseCookie,partial,partialRight,partition,percentile,permutations,pick,pickBy,pipeAsyncFunctions,pipeFunctions,pluralize,powerset,prefix,prettyBytes,primes,promisify,pull,pullAtIndex,pullAtValue,pullBy,radsToDegrees,randomHexColorCode,randomIntArrayInRange,randomIntegerInRange,randomNumberInRange,readFileLines,rearg,recordAnimationFrames,redirect,reduceSuccessive,reduceWhich,reducedFilter,reject,remove,removeNonASCII,renameKeys,reverseString,round,runAsync,runPromisesInSeries,sample,sampleSize,scrollToTop,sdbm,serializeCookie,setStyle,shallowClone,shank,show,shuffle,similarity,size,sleep,smoothScroll,sortCharactersInString,sortedIndex,sortedIndexBy,sortedLastIndex,sortedLastIndexBy,splitLines,spreadOver,stableSort,standardDeviation,stringPermutations,stripHTMLTags,sum,sumBy,sumPower,symmetricDifference,symmetricDifferenceBy,symmetricDifferenceWith,tail,take,takeRight,takeRightWhile,takeWhile,throttle,timeTaken,times,toCamelCase,toCurrency,toDecimalMark,toHash,toKebabCase,toOrdinalSuffix,toSafeInteger,toSnakeCase,toTitleCase,toggleClass,tomorrow,transform,triggerEvent,truncateString,truthCheckCollection,unary,uncurry,unescapeHTML,unflattenObject,unfold,union,unionBy,unionWith,uniqueElements,uniqueElementsBy,uniqueElementsByRight,uniqueSymmetricDifference,untildify,unzip,unzipWith,validateNumber,when,without,words,xProd,yesNo,zip,zipObject,zipWith};

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dist/_30s.js vendored
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@ -648,8 +648,7 @@
const _lcm = (x, y) => (x * y) / gcd(x, y);
return [...arr].reduce((a, b) => _lcm(a, b));
};
const longestItem = (val, ...vals) =>
[val, ...vals].reduce((a, x) => (x.length > a.length ? x : a));
const longestItem = (...vals) => vals.reduce((a, x) => (x.length > a.length ? x : a));
const lowercaseKeys = obj =>
Object.keys(obj).reduce((acc, key) => {
acc[key.toLowerCase()] = obj[key];
@ -1210,6 +1209,11 @@
.match(/[A-Z]{2,}(?=[A-Z][a-z]+[0-9]*|\b)|[A-Z]?[a-z]+[0-9]*|[A-Z]|[0-9]+/g)
.map(x => x.toLowerCase())
.join('_');
const toTitleCase = str =>
str
.match(/[A-Z]{2,}(?=[A-Z][a-z]+[0-9]*|\b)|[A-Z]?[a-z]+[0-9]*|[A-Z]|[0-9]+/g)
.map(x => x.charAt(0).toUpperCase() + x.slice(1))
.join(' ');
const toggleClass = (el, className) => el.classList.toggle(className);
const tomorrow = (long = false) => {
let t = new Date();
@ -1327,6 +1331,6 @@
};
module.exports = {CSVToArray,CSVToJSON,JSONToFile,JSONtoCSV,RGBToHex,URLJoin,UUIDGeneratorBrowser,UUIDGeneratorNode,all,allEqual,any,approximatelyEqual,arrayToCSV,arrayToHtmlList,ary,atob,attempt,average,averageBy,bifurcate,bifurcateBy,bind,bindAll,bindKey,binomialCoefficient,bottomVisible,btoa,byteSize,call,capitalize,capitalizeEveryWord,castArray,chainAsync,chunk,clampNumber,cloneRegExp,coalesce,coalesceFactory,collectInto,colorize,compact,compose,composeRight,converge,copyToClipboard,countBy,countOccurrences,counter,createElement,createEventHub,currentURL,curry,dayOfYear,debounce,decapitalize,deepClone,deepFlatten,deepFreeze,defaults,defer,degreesToRads,delay,detectDeviceType,difference,differenceBy,differenceWith,dig,digitize,distance,drop,dropRight,dropRightWhile,dropWhile,elementContains,elementIsVisibleInViewport,elo,equals,escapeHTML,escapeRegExp,everyNth,extendHex,factorial,fibonacci,filterNonUnique,filterNonUniqueBy,findKey,findLast,findLastIndex,findLastKey,flatten,flattenObject,flip,forEachRight,forOwn,forOwnRight,formatDuration,fromCamelCase,functionName,functions,gcd,geometricProgression,get,getColonTimeFromDate,getDaysDiffBetweenDates,getImages,getMeridiemSuffixOfInteger,getScrollPosition,getStyle,getType,getURLParameters,groupBy,hammingDistance,hasClass,hasFlags,hashBrowser,hashNode,head,hexToRGB,hide,httpGet,httpPost,httpsRedirect,hz,inRange,indentString,indexOfAll,initial,initialize2DArray,initializeArrayWithRange,initializeArrayWithRangeRight,initializeArrayWithValues,initializeNDArray,insertAfter,insertBefore,intersection,intersectionBy,intersectionWith,invertKeyValues,is,isAbsoluteURL,isAfterDate,isAnagram,isArrayLike,isBeforeDate,isBoolean,isBrowser,isBrowserTabFocused,isDivisible,isDuplexStream,isEmpty,isEven,isFunction,isLowerCase,isNil,isNull,isNumber,isObject,isObjectLike,isPlainObject,isPrime,isPrimitive,isPromiseLike,isReadableStream,isSameDate,isSorted,isStream,isString,isSymbol,isTravisCI,isUndefined,isUpperCase,isValidJSON,isWritableStream,join,last,lcm,longestItem,lowercaseKeys,luhnCheck,mapKeys,mapObject,mapString,mapValues,mask,matches,matchesWith,maxBy,maxDate,maxN,median,memoize,merge,minBy,minDate,minN,mostPerformant,negate,nest,nodeListToArray,none,nthArg,nthElement,objectFromPairs,objectToPairs,observeMutations,off,offset,omit,omitBy,on,onUserInputChange,once,orderBy,over,overArgs,pad,palindrome,parseCookie,partial,partialRight,partition,percentile,permutations,pick,pickBy,pipeAsyncFunctions,pipeFunctions,pluralize,powerset,prefix,prettyBytes,primes,promisify,pull,pullAtIndex,pullAtValue,pullBy,radsToDegrees,randomHexColorCode,randomIntArrayInRange,randomIntegerInRange,randomNumberInRange,readFileLines,rearg,recordAnimationFrames,redirect,reduceSuccessive,reduceWhich,reducedFilter,reject,remove,removeNonASCII,renameKeys,reverseString,round,runAsync,runPromisesInSeries,sample,sampleSize,scrollToTop,sdbm,serializeCookie,setStyle,shallowClone,shank,show,shuffle,similarity,size,sleep,smoothScroll,sortCharactersInString,sortedIndex,sortedIndexBy,sortedLastIndex,sortedLastIndexBy,splitLines,spreadOver,stableSort,standardDeviation,stringPermutations,stripHTMLTags,sum,sumBy,sumPower,symmetricDifference,symmetricDifferenceBy,symmetricDifferenceWith,tail,take,takeRight,takeRightWhile,takeWhile,throttle,timeTaken,times,toCamelCase,toCurrency,toDecimalMark,toHash,toKebabCase,toOrdinalSuffix,toSafeInteger,toSnakeCase,toggleClass,tomorrow,transform,triggerEvent,truncateString,truthCheckCollection,unary,uncurry,unescapeHTML,unflattenObject,unfold,union,unionBy,unionWith,uniqueElements,uniqueElementsBy,uniqueElementsByRight,uniqueSymmetricDifference,untildify,unzip,unzipWith,validateNumber,when,without,words,xProd,yesNo,zip,zipObject,zipWith};
module.exports = {CSVToArray,CSVToJSON,JSONToFile,JSONtoCSV,RGBToHex,URLJoin,UUIDGeneratorBrowser,UUIDGeneratorNode,all,allEqual,any,approximatelyEqual,arrayToCSV,arrayToHtmlList,ary,atob,attempt,average,averageBy,bifurcate,bifurcateBy,bind,bindAll,bindKey,binomialCoefficient,bottomVisible,btoa,byteSize,call,capitalize,capitalizeEveryWord,castArray,chainAsync,chunk,clampNumber,cloneRegExp,coalesce,coalesceFactory,collectInto,colorize,compact,compose,composeRight,converge,copyToClipboard,countBy,countOccurrences,counter,createElement,createEventHub,currentURL,curry,dayOfYear,debounce,decapitalize,deepClone,deepFlatten,deepFreeze,defaults,defer,degreesToRads,delay,detectDeviceType,difference,differenceBy,differenceWith,dig,digitize,distance,drop,dropRight,dropRightWhile,dropWhile,elementContains,elementIsVisibleInViewport,elo,equals,escapeHTML,escapeRegExp,everyNth,extendHex,factorial,fibonacci,filterNonUnique,filterNonUniqueBy,findKey,findLast,findLastIndex,findLastKey,flatten,flattenObject,flip,forEachRight,forOwn,forOwnRight,formatDuration,fromCamelCase,functionName,functions,gcd,geometricProgression,get,getColonTimeFromDate,getDaysDiffBetweenDates,getImages,getMeridiemSuffixOfInteger,getScrollPosition,getStyle,getType,getURLParameters,groupBy,hammingDistance,hasClass,hasFlags,hashBrowser,hashNode,head,hexToRGB,hide,httpGet,httpPost,httpsRedirect,hz,inRange,indentString,indexOfAll,initial,initialize2DArray,initializeArrayWithRange,initializeArrayWithRangeRight,initializeArrayWithValues,initializeNDArray,insertAfter,insertBefore,intersection,intersectionBy,intersectionWith,invertKeyValues,is,isAbsoluteURL,isAfterDate,isAnagram,isArrayLike,isBeforeDate,isBoolean,isBrowser,isBrowserTabFocused,isDivisible,isDuplexStream,isEmpty,isEven,isFunction,isLowerCase,isNil,isNull,isNumber,isObject,isObjectLike,isPlainObject,isPrime,isPrimitive,isPromiseLike,isReadableStream,isSameDate,isSorted,isStream,isString,isSymbol,isTravisCI,isUndefined,isUpperCase,isValidJSON,isWritableStream,join,last,lcm,longestItem,lowercaseKeys,luhnCheck,mapKeys,mapObject,mapString,mapValues,mask,matches,matchesWith,maxBy,maxDate,maxN,median,memoize,merge,minBy,minDate,minN,mostPerformant,negate,nest,nodeListToArray,none,nthArg,nthElement,objectFromPairs,objectToPairs,observeMutations,off,offset,omit,omitBy,on,onUserInputChange,once,orderBy,over,overArgs,pad,palindrome,parseCookie,partial,partialRight,partition,percentile,permutations,pick,pickBy,pipeAsyncFunctions,pipeFunctions,pluralize,powerset,prefix,prettyBytes,primes,promisify,pull,pullAtIndex,pullAtValue,pullBy,radsToDegrees,randomHexColorCode,randomIntArrayInRange,randomIntegerInRange,randomNumberInRange,readFileLines,rearg,recordAnimationFrames,redirect,reduceSuccessive,reduceWhich,reducedFilter,reject,remove,removeNonASCII,renameKeys,reverseString,round,runAsync,runPromisesInSeries,sample,sampleSize,scrollToTop,sdbm,serializeCookie,setStyle,shallowClone,shank,show,shuffle,similarity,size,sleep,smoothScroll,sortCharactersInString,sortedIndex,sortedIndexBy,sortedLastIndex,sortedLastIndexBy,splitLines,spreadOver,stableSort,standardDeviation,stringPermutations,stripHTMLTags,sum,sumBy,sumPower,symmetricDifference,symmetricDifferenceBy,symmetricDifferenceWith,tail,take,takeRight,takeRightWhile,takeWhile,throttle,timeTaken,times,toCamelCase,toCurrency,toDecimalMark,toHash,toKebabCase,toOrdinalSuffix,toSafeInteger,toSnakeCase,toTitleCase,toggleClass,tomorrow,transform,triggerEvent,truncateString,truthCheckCollection,unary,uncurry,unescapeHTML,unflattenObject,unfold,union,unionBy,unionWith,uniqueElements,uniqueElementsBy,uniqueElementsByRight,uniqueSymmetricDifference,untildify,unzip,unzipWith,validateNumber,when,without,words,xProd,yesNo,zip,zipObject,zipWith};
})));

2
docs/date.html
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@ -110,7 +110,7 @@
};</span>
</pre><label class="collapse">examples</label><pre class="section card-examples language-js"><span class="token function">formatDuration</span><span class="token punctuation">(</span><span class="token number">1001</span><span class="token punctuation">);</span> <span class="token comment">// '1 second, 1 millisecond'</span>
<span class="token function">formatDuration</span><span class="token punctuation">(</span><span class="token number">34325055574</span><span class="token punctuation">);</span> <span class="token comment">// '397 days, 6 hours, 44 minutes, 15 seconds, 574 milliseconds'</span>
</pre></div><div class="card code-card"><div class="corner intermediate"></div><div class="section card-content"><h4 id="getcolontimefromdate">getColonTimeFromDate</h4><p>Returns a string of the form <code>HH:MM:SS</code> from a <code>Date</code> object.</p><p>Use <code>Date.prototype.toString()</code> and <code>String.prototype.slice()</code> to get the <code>HH:MM:SS</code> part of a given <code>Date</code> object.</p></div><div class="copy-button-container"><button class="copy-button" aria-label="Copy to clipboard"></button></div><pre class="section card-code language-js"><span class="token keyword">const</span> <span class="token function-variable function">getColonTimeFromDate</span> <span class="token operator">=</span> date <span class="token operator">=></span> date<span class="token punctuation">.</span><span class="token function">toTimeString</span><span class="token punctuation">().</span><span class="token function">slice</span><span class="token punctuation">(</span><span class="token number">0</span><span class="token punctuation">,</span> <span class="token number">8</span><span class="token punctuation">);</span>
</pre></div><div class="card code-card"><div class="corner intermediate"></div><div class="section card-content"><h4 id="getcolontimefromdate">getColonTimeFromDate</h4><p>Returns a string of the form <code>HH:MM:SS</code> from a <code>Date</code> object.</p><p>Use <code>Date.prototype.toTimeString()</code> and <code>String.prototype.slice()</code> to get the <code>HH:MM:SS</code> part of a given <code>Date</code> object.</p></div><div class="copy-button-container"><button class="copy-button" aria-label="Copy to clipboard"></button></div><pre class="section card-code language-js"><span class="token keyword">const</span> <span class="token function-variable function">getColonTimeFromDate</span> <span class="token operator">=</span> date <span class="token operator">=></span> date<span class="token punctuation">.</span><span class="token function">toTimeString</span><span class="token punctuation">().</span><span class="token function">slice</span><span class="token punctuation">(</span><span class="token number">0</span><span class="token punctuation">,</span> <span class="token number">8</span><span class="token punctuation">);</span>
</pre><label class="collapse">examples</label><pre class="section card-examples language-js"><span class="token function">getColonTimeFromDate</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">Date</span><span class="token punctuation">());</span> <span class="token comment">// "08:38:00"</span>
</pre></div><div class="card code-card"><div class="corner intermediate"></div><div class="section card-content"><h4 id="getdaysdiffbetweendates">getDaysDiffBetweenDates</h4><p>Returns the difference (in days) between two dates.</p><p>Calculate the difference (in days) between two <code>Date</code> objects.</p></div><div class="copy-button-container"><button class="copy-button" aria-label="Copy to clipboard"></button></div><pre class="section card-code language-js"><span class="token keyword">const</span> <span class="token function-variable function">getDaysDiffBetweenDates</span> <span class="token operator">=</span> <span class="token punctuation">(</span>dateInitial<span class="token punctuation">,</span> dateFinal<span class="token punctuation">)</span> <span class="token operator">=></span>
<span class="token punctuation">(</span>dateFinal <span class="token operator">-</span> dateInitial<span class="token punctuation">)</span> <span class="token operator">/</span> <span class="token punctuation">(</span><span class="token number">1000</span> <span class="token operator">*</span> <span class="token number">3600</span> <span class="token operator">*</span> <span class="token number">24</span><span class="token punctuation">);</span>

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scripts/build.js
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@ -23,7 +23,7 @@ const makeExamples = data => {
data.slice(data.lastIndexOf('```js'), data.lastIndexOf('```')) +
data.slice(data.lastIndexOf('```'))
);
return `${data}\n<br>${misc.link('⬆ Back to top', misc.anchor('Table of Contents'))}\n\n`;
return `${data}\n<br>${misc.link('⬆ Back to top', misc.anchor('Contents'))}\n\n`;
};
if (util.isTravisCI() && /^Travis build: \d+/g.test(process.env['TRAVIS_COMMIT_MESSAGE'])) {

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snippets/getColonTimeFromDate.md
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@ -2,7 +2,7 @@
Returns a string of the form `HH:MM:SS` from a `Date` object.
Use `Date.prototype.toString()` and `String.prototype.slice()` to get the `HH:MM:SS` part of a given `Date` object.
Use `Date.prototype.toTimeString()` and `String.prototype.slice()` to get the `HH:MM:SS` part of a given `Date` object.
```js
const getColonTimeFromDate = date => date.toTimeString().slice(0, 8);

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snippets_archive/README.md
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@ -3,7 +3,6 @@
These snippets, while useful and interesting, didn't quite make it into the repository due to either having very specific use-cases or being outdated. However we felt like they might still be useful to some readers, so here they are.
## Table of Contents
* [`JSONToDate`](#jsontodate)
* [`squareSum`](#squaresum)
* [`binarySearch`](#binarysearch)
* [`celsiusToFahrenheit`](#celsiustofahrenheit)
* [`cleanObj`](#cleanobj)
@ -15,6 +14,7 @@ These snippets, while useful and interesting, didn't quite make it into the repo
* [`fibonacciUntilNum`](#fibonacciuntilnum)
* [`heronArea`](#heronarea)
* [`howManyTimes`](#howmanytimes)
* [`httpDelete`](#httpdelete)
* [`httpPut`](#httpput)
* [`isArmstrongNumber`](#isarmstrongnumber)
* [`isSimilar`](#issimilar)
@ -26,7 +26,7 @@ These snippets, while useful and interesting, didn't quite make it into the repo
* [`removeVowels`](#removevowels)
* [`solveRPN`](#solverpn)
* [`speechSynthesis`](#speechsynthesis)
* [`httpDelete`](#httpdelete)
* [`squareSum`](#squaresum)
---
### JSONToDate
@ -53,27 +53,6 @@ JSONToDate(/Date(1489525200000)/); // "14/3/2017"
<br>[⬆ Back to top](#table-of-contents)
### squareSum
Squares each number in an array and then sums the results together.
Use `Array.prototype.reduce()` in combination with `Math.pow()` to iterate over numbers and sum their squares into an accumulator.
```js
const squareSum = (...args) => args.reduce((squareSum, number) => squareSum + Math.pow(number, 2), 0);
```
<details>
<summary>Examples</summary>
```js
squareSum(1, 2, 2); // 9
```
</details>
<br>[⬆ Back to top](#table-of-contents)
### binarySearch
Use recursion. Similar to `Array.prototype.indexOf()` that finds the index of a value within an array.
@ -388,6 +367,38 @@ howManyTimes(100, -1); // Infinity
<br>[⬆ Back to top](#table-of-contents)
### httpDelete
Makes a `DELETE` request to the passed URL.
Use `XMLHttpRequest` web api to make a `delete` request to the given `url`.
Handle the `onload` event, by running the provided `callback` function.
Handle the `onerror` event, by running the provided `err` function.
Omit the third argument, `err` to log the request to the console's error stream by default.
```js
const httpDelete = (url, callback, err = console.error) => {
const request = new XMLHttpRequest();
request.open('DELETE', url, true);
request.onload = () => callback(request);
request.onerror = () => err(request);
request.send();
};
```
<details>
<summary>Examples</summary>
```js
httpDelete('https://website.com/users/123', request => {
console.log(request.responseText);
}); // 'Deletes a user from the database'
```
</details>
<br>[⬆ Back to top](#table-of-contents)
### httpPut
Makes a `PUT` request to the passed URL.
@ -728,32 +739,21 @@ speechSynthesis('Hello, World'); // // plays the message
<br>[⬆ Back to top](#table-of-contents)
### httpDelete
### squareSum
Makes a `DELETE` request to the passed URL.
Squares each number in an array and then sums the results together.
Use `XMLHttpRequest` web api to make a `delete` request to the given `url`.
Handle the `onload` event, by running the provided `callback` function.
Handle the `onerror` event, by running the provided `err` function.
Omit the third argument, `err` to log the request to the console's error stream by default.
Use `Array.prototype.reduce()` in combination with `Math.pow()` to iterate over numbers and sum their squares into an accumulator.
```js
const httpDelete = (url, callback, err = console.error) => {
const request = new XMLHttpRequest();
request.open('DELETE', url, true);
request.onload = () => callback(request);
request.onerror = () => err(request);
request.send();
};
const squareSum = (...args) => args.reduce((squareSum, number) => squareSum + Math.pow(number, 2), 0);
```
<details>
<summary>Examples</summary>
```js
httpDelete('https://website.com/users/123', request => {
console.log(request.responseText);
}); // 'Deletes a user from the database'
squareSum(1, 2, 2); // 9
```
</details>

8
static-parts/README-start.md
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@ -1,8 +1,10 @@
![Logo](/logo.png)
[![Logo](/logo.png)](https://30secondsofcode.org/)
# 30 seconds of code
[![License](https://img.shields.io/badge/license-CC0--1.0-blue.svg)](https://github.com/30-seconds/30-seconds-of-code/blob/master/LICENSE) [![npm Downloads](https://img.shields.io/npm/dt/30-seconds-of-code.svg)](https://www.npmjs.com/package/30-seconds-of-code) [![npm Version](https://img.shields.io/npm/v/30-seconds-of-code.svg)](https://www.npmjs.com/package/30-seconds-of-code) [![Gitter chat](https://img.shields.io/badge/chat-on%20gitter-4FB999.svg)](https://gitter.im/30-seconds-of-code/Lobby) [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg)](http://makeapullrequest.com) [![Travis Build](https://travis-ci.com/30-seconds/30-seconds-of-code.svg?branch=master)](https://travis-ci.com/30-seconds/30-seconds-of-code) [![Codacy Badge](https://api.codacy.com/project/badge/Grade/6ab7791fb1ea40b4a576d658fb96807f)](https://www.codacy.com/app/Chalarangelo/30-seconds-of-code?utm_source=github.com&utm_medium=referral&utm_content=30-seconds/30-seconds-of-code&utm_campaign=Badge_Grade) [![Maintainability](https://api.codeclimate.com/v1/badges/4b8c1e099135f2d53413/maintainability)](https://codeclimate.com/github/30-seconds/30-seconds-of-code/maintainability) [![js-semistandard-style](https://img.shields.io/badge/code%20style-semistandard-brightgreen.svg)](https://github.com/Flet/semistandard) [![Known Vulnerabilities](https://snyk.io/test/github/30-seconds/30-seconds-of-code/badge.svg?targetFile=package.json)](https://snyk.io/test/github/30-seconds/30-seconds-of-code?targetFile=package.json) [![ProductHunt](https://img.shields.io/badge/producthunt-vote-orange.svg)](https://www.producthunt.com/posts/30-seconds-of-code)
[![License](https://img.shields.io/badge/license-CC0--1.0-blue.svg)](https://github.com/30-seconds/30-seconds-of-code/blob/master/LICENSE) [![npm Downloads](https://img.shields.io/npm/dt/30-seconds-of-code.svg)](https://www.npmjs.com/package/30-seconds-of-code) [![npm Version](https://img.shields.io/npm/v/30-seconds-of-code.svg)](https://www.npmjs.com/package/30-seconds-of-code) [![Known Vulnerabilities](https://snyk.io/test/github/30-seconds/30-seconds-of-code/badge.svg?targetFile=package.json)](https://snyk.io/test/github/30-seconds/30-seconds-of-code?targetFile=package.json) <br/>
[![Travis Build](https://travis-ci.com/30-seconds/30-seconds-of-code.svg?branch=master)](https://travis-ci.com/30-seconds/30-seconds-of-code) [![Codacy Badge](https://api.codacy.com/project/badge/Grade/6ab7791fb1ea40b4a576d658fb96807f)](https://www.codacy.com/app/Chalarangelo/30-seconds-of-code?utm_source=github.com&utm_medium=referral&utm_content=30-seconds/30-seconds-of-code&utm_campaign=Badge_Grade) [![Maintainability](https://api.codeclimate.com/v1/badges/4b8c1e099135f2d53413/maintainability)](https://codeclimate.com/github/30-seconds/30-seconds-of-code/maintainability) [![js-semistandard-style](https://img.shields.io/badge/code%20style-semistandard-brightgreen.svg)](https://github.com/Flet/semistandard) <br/>
[![Awesome](https://awesome.re/badge.svg)](https://awesome.re) [![ProductHunt](https://img.shields.io/badge/producthunt-vote-orange.svg)](https://www.producthunt.com/posts/30-seconds-of-code) [![Gitter chat](https://img.shields.io/badge/chat-on%20gitter-4FB999.svg)](https://gitter.im/30-seconds-of-code/Lobby) [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg)](http://makeapullrequest.com)
> Curated collection of useful JavaScript snippets that you can understand in 30 seconds or less.
@ -79,4 +81,4 @@ average(1, 2, 3);
</details>
## Table of Contents
## Contents

4167
test/testlog
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658
vscode_snippets/snippets.json
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