Travis build: 1211 [custom]
This commit is contained in:
@ -4744,6 +4744,7 @@ const checkProp = (predicate, prop) => obj => !!predicate(obj[prop]);
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const lengthIs4 = checkProp(l => l === 4, 'length');
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const lengthIs4 = checkProp(l => l === 4, 'length');
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lengthIs4([]); // false
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lengthIs4([]); // false
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lengthIs4([1,2,3,4]); // true
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lengthIs4([1,2,3,4]); // true
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@ -162,6 +162,7 @@ console<span class="token punctuation">.</span><span class="token function">log<
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<span class="token keyword">const</span> lengthIs4 <span class="token operator">=</span> <span class="token function">checkProp</span><span class="token punctuation">(</span>l <span class="token operator">=></span> l <span class="token operator">===</span> <span class="token number">4</span><span class="token punctuation">,</span> <span class="token string">'length'</span><span class="token punctuation">);</span>
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<span class="token keyword">const</span> lengthIs4 <span class="token operator">=</span> <span class="token function">checkProp</span><span class="token punctuation">(</span>l <span class="token operator">=></span> l <span class="token operator">===</span> <span class="token number">4</span><span class="token punctuation">,</span> <span class="token string">'length'</span><span class="token punctuation">);</span>
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<span class="token function">lengthIs4</span><span class="token punctuation">([]);</span> <span class="token comment">// false</span>
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<span class="token function">lengthIs4</span><span class="token punctuation">([]);</span> <span class="token comment">// false</span>
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<span class="token function">lengthIs4</span><span class="token punctuation">([</span><span class="token number">1</span><span class="token punctuation">,</span><span class="token number">2</span><span class="token punctuation">,</span><span class="token number">3</span><span class="token punctuation">,</span><span class="token number">4</span><span class="token punctuation">]);</span> <span class="token comment">// true</span>
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<span class="token function">lengthIs4</span><span class="token punctuation">([</span><span class="token number">1</span><span class="token punctuation">,</span><span class="token number">2</span><span class="token punctuation">,</span><span class="token number">3</span><span class="token punctuation">,</span><span class="token number">4</span><span class="token punctuation">]);</span> <span class="token comment">// true</span>
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File diff suppressed because one or more lines are too long
@ -386,7 +386,7 @@
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"archived": false
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"archived": false
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},
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},
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"meta": {
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"meta": {
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"hash": "d0eace2a9fcd0b8e056083e8c3e92574d7da0eee62c6897f7d6c5a94e64a3841"
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"hash": "e2fe0ff4736e09c616dda81905f39b89a213f4ea1d9d8fec7fb4c393a656ad72"
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}
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}
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},
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},
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{
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{
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@ -568,7 +568,7 @@
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},
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},
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"meta": {
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"meta": {
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"archived": false,
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"archived": false,
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"hash": "d0eace2a9fcd0b8e056083e8c3e92574d7da0eee62c6897f7d6c5a94e64a3841"
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"hash": "e2fe0ff4736e09c616dda81905f39b89a213f4ea1d9d8fec7fb4c393a656ad72"
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}
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}
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},
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},
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{
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{
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@ -27,6 +27,7 @@ const checkProp = (predicate, prop) => obj => !!predicate(obj[prop]);
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const lengthIs4 = checkProp(l => l === 4, 'length');
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const lengthIs4 = checkProp(l => l === 4, 'length');
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lengthIs4([]); // false
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lengthIs4([]); // false
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lengthIs4([1,2,3,4]); // true
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lengthIs4([1,2,3,4]); // true
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@ -3,6 +3,7 @@
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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.
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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.
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## Table of Contents
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## Table of Contents
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* [`JSONToDate`](#jsontodate)
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* [`JSONToDate`](#jsontodate)
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* [`squareSum`](#squaresum)
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* [`binarySearch`](#binarysearch)
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* [`binarySearch`](#binarysearch)
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* [`celsiusToFahrenheit`](#celsiustofahrenheit)
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* [`celsiusToFahrenheit`](#celsiustofahrenheit)
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* [`cleanObj`](#cleanobj)
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* [`cleanObj`](#cleanobj)
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@ -14,7 +15,6 @@ These snippets, while useful and interesting, didn't quite make it into the repo
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* [`fibonacciUntilNum`](#fibonacciuntilnum)
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* [`fibonacciUntilNum`](#fibonacciuntilnum)
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* [`heronArea`](#heronarea)
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* [`heronArea`](#heronarea)
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* [`howManyTimes`](#howmanytimes)
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* [`howManyTimes`](#howmanytimes)
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* [`httpDelete`](#httpdelete)
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* [`httpPut`](#httpput)
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* [`httpPut`](#httpput)
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* [`isArmstrongNumber`](#isarmstrongnumber)
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* [`isArmstrongNumber`](#isarmstrongnumber)
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* [`isSimilar`](#issimilar)
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* [`isSimilar`](#issimilar)
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@ -26,7 +26,7 @@ These snippets, while useful and interesting, didn't quite make it into the repo
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* [`removeVowels`](#removevowels)
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* [`removeVowels`](#removevowels)
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* [`solveRPN`](#solverpn)
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* [`solveRPN`](#solverpn)
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* [`speechSynthesis`](#speechsynthesis)
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* [`speechSynthesis`](#speechsynthesis)
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* [`squareSum`](#squaresum)
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* [`httpDelete`](#httpdelete)
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---
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---
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### JSONToDate
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### JSONToDate
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@ -53,6 +53,27 @@ JSONToDate(/Date(1489525200000)/); // "14/3/2017"
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<br>[⬆ Back to top](#contents)
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<br>[⬆ Back to top](#contents)
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### squareSum
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Squares each number in an array and then sums the results together.
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Use `Array.prototype.reduce()` in combination with `Math.pow()` to iterate over numbers and sum their squares into an accumulator.
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```js
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const squareSum = (...args) => args.reduce((squareSum, number) => squareSum + Math.pow(number, 2), 0);
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```
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<details>
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<summary>Examples</summary>
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```js
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squareSum(1, 2, 2); // 9
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```
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</details>
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<br>[⬆ Back to top](#contents)
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### binarySearch
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### binarySearch
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Use recursion. Similar to `Array.prototype.indexOf()` that finds the index of a value within an array.
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Use recursion. Similar to `Array.prototype.indexOf()` that finds the index of a value within an array.
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@ -367,38 +388,6 @@ howManyTimes(100, -1); // Infinity
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<br>[⬆ Back to top](#contents)
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<br>[⬆ Back to top](#contents)
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### httpDelete
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Makes a `DELETE` request to the passed URL.
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Use `XMLHttpRequest` web api to make a `delete` request to the given `url`.
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Handle the `onload` event, by running the provided `callback` function.
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Handle the `onerror` event, by running the provided `err` function.
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Omit the third argument, `err` to log the request to the console's error stream by default.
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```js
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const httpDelete = (url, callback, err = console.error) => {
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const request = new XMLHttpRequest();
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request.open('DELETE', url, true);
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request.onload = () => callback(request);
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request.onerror = () => err(request);
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request.send();
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};
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```
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<details>
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<summary>Examples</summary>
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```js
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httpDelete('https://website.com/users/123', request => {
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console.log(request.responseText);
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}); // 'Deletes a user from the database'
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```
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</details>
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<br>[⬆ Back to top](#contents)
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### httpPut
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### httpPut
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Makes a `PUT` request to the passed URL.
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Makes a `PUT` request to the passed URL.
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@ -739,21 +728,32 @@ speechSynthesis('Hello, World'); // // plays the message
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<br>[⬆ Back to top](#contents)
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<br>[⬆ Back to top](#contents)
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### squareSum
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### httpDelete
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Squares each number in an array and then sums the results together.
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Makes a `DELETE` request to the passed URL.
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Use `Array.prototype.reduce()` in combination with `Math.pow()` to iterate over numbers and sum their squares into an accumulator.
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Use `XMLHttpRequest` web api to make a `delete` request to the given `url`.
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Handle the `onload` event, by running the provided `callback` function.
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Handle the `onerror` event, by running the provided `err` function.
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Omit the third argument, `err` to log the request to the console's error stream by default.
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```js
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```js
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const squareSum = (...args) => args.reduce((squareSum, number) => squareSum + Math.pow(number, 2), 0);
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const httpDelete = (url, callback, err = console.error) => {
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const request = new XMLHttpRequest();
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request.open('DELETE', url, true);
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request.onload = () => callback(request);
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request.onerror = () => err(request);
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request.send();
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};
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```
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```
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<details>
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<details>
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<summary>Examples</summary>
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<summary>Examples</summary>
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```js
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```js
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squareSum(1, 2, 2); // 9
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httpDelete('https://website.com/users/123', request => {
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console.log(request.responseText);
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}); // 'Deletes a user from the database'
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```
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```
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</details>
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</details>
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