JavaScript Map get()
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Definition and usage
get() Method used to get the value of a key in the Map.
Instance
// Create a Map
const fruits = new Map([
["apples", 500],
["bananas", 300],
["oranges", 200]
]);
// Get the value of "apples"
let value = fruits.get("apples");
Syntax
map.get(key)
Parameter
| Parameter | Description |
|---|---|
| key | Required. The key to be found. |
Return value
| Type | Description |
|---|---|
| Variable | Returns the value of the element found, otherwise returns undefined. |
Browser support
map.get() Is a feature of ECMAScript6 (ES6).
Starting from June 2017, all modern browsers support ES6 (JavaScript 2015):
| Chrome | Edge | Firefox | Safari | Opera |
|---|---|---|---|---|
| Chrome 51 | Edge 15 | Firefox 54 | Safari 10 | Opera 38 |
| 2016 May | 2017 April | 2017 June | September 2016 | June 2016 |
map.get() Not supported in Internet Explorer.
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