Map.prototype.clear()
The clear()
method of Map
instances removes all elements from this map.
Try it
Syntax
js
clear()
Parameters
None.
Return value
None (undefined
).
Examples
Using clear()
js
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
Specifications
Specification |
---|
ECMAScript Language Specification # sec-map.prototype.clear |
Browser compatibility
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