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Merge pull request #524 from shahbazsyed/patch-1

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Update article.md
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Ilya Kantor 2017-05-05 02:04:34 +03:00 • committed by GitHub
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1-js/05-data-types/07-map-set-weakmap-weakset/article.md
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@ -31,7 +31,7 @@ map.set('1', 'str1'); // a string key
map.set(1, 'num1'); // a numeric key
map.set(true, 'bool1'); // a boolean key
// remember the regular Object? it would keys to string
// remember the regular Object? it would convert keys to string
// Map keeps the type, so these two are different:
alert( map.get(1) ); // 'num1'
alert( map.get('1') ); // 'str1'
@ -253,7 +253,7 @@ john = null;
Usually, properties of an object or elements of an array or another data structure are considered reachable and kept in memory while that data structure is in memory.
In a regular `Map`, if we store an object as the key or as a value -- does not matter, then it is stored there even if there are no more references to it.
In a regular `Map`, it does not matter if we store an object as a key or as a value.It is kept in memory even if there are no more references to it.
For instance:
```js