The clear()
method of Map
instances removes all elements from this map.
The clear()
method of Map
instances removes all elements from this map.
clear()
None.
None (undefined
).
const myMap = new Map(); myMap.set("bar", "baz"); myMap.set(1, "foo"); console.log(myMap.size); // 2 console.log(myMap.has("bar")); // true myMap.clear(); console.log(myMap.size); // 0 console.log(myMap.has("bar")); // false
Desktop | Mobile | Server | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | Deno | Node.js | ||
clear |
38 | 12 | 19 | 25 | 8 | 38 | 19 | 25 | 8 | 3.0 | 38 | 1.0 | 0.12.0 |
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https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map/clear