The Map()
creates Map
objects.
The Map()
creates Map
objects.
const myMap = new Map([ [1, 'one'], [2, 'two'], [3, 'three'], ]);
Specification |
---|
ECMAScript Language Specification # sec-map-constructor |
Desktop | Mobile | Server | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | Deno | Node.js | |
Map |
38 |
12 |
13 |
11 |
25 |
8 |
38 |
38 |
14 |
25 |
8 |
3.0 |
1.0 |
0.12.0
0.10.0
|
iterable_allowed |
38 |
12 |
13 |
No |
25 |
9 |
38 |
38 |
14 |
25 |
9 |
3.0 |
1.0 |
0.12.0 |
new_required |
38 |
12 |
42 |
11 |
25 |
9 |
38 |
38 |
42 |
25 |
9 |
3.0 |
1.0 |
0.12.0 |
null_allowed |
38 |
12 |
37 |
11 |
25 |
9 |
38 |
38 |
37 |
25 |
9 |
3.0 |
1.0 |
0.12.0
0.10.0
|
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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map/Map