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30secondsofcode
2018-01-23 18:18:38 +00:00
parent 93347a4030
commit 667b871621
4 changed files with 86 additions and 7 deletions
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8
snippets/matches.md
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@ -6,12 +6,10 @@ Use `Object.keys(source)` to get all the keys of the second object, then `Array.
```js
const matches = (obj, source) =>
Object.keys(source).every(
key => obj.hasOwnProperty(key) && obj[key] === source[key]
);
Object.keys(source).every(key => obj.hasOwnProperty(key) && obj[key] === source[key]);
```
```js
matches({ age: 25, hair: 'long', beard: true }, { hair: 'long', beard: true }) // true
matches({ hair: 'long', beard: true }, { age: 25, hair: 'long', beard: true }) // false
matches({ age: 25, hair: 'long', beard: true }, { hair: 'long', beard: true }); // true
matches({ hair: 'long', beard: true }, { age: 25, hair: 'long', beard: true }); // false
```

6
snippets/matchesWith.md
View File

@ -17,5 +17,9 @@ const matchesWith = (obj, source, fn) =>
```js
const isGreeting = val => /^h(?:i|ello)$/.test(val);
matchesWith({ greeting: 'hello' }, { greeting: 'hi' }, (oV, sV) => isGreeting(oV) && isGreeting(sV)); // true
matchesWith(
{ greeting: 'hello' },
{ greeting: 'hi' },
(oV, sV) => isGreeting(oV) && isGreeting(sV)
); // true
```