Baseline Widely available
The delete() method of Map instances removes the specified element from this map by key.
const map1 = new Map();
map1.set("bar", "foo");
console.log(map1.delete("bar"));
// Expected result: true
// True indicates successful removal
console.log(map1.has("bar"));
// Expected result: false
key
The key of the element to remove from the Map object.
true if an element in the Map object existed and has been removed, or false if the element does not exist.
const myMap = new Map();
myMap.set("bar", "foo");
console.log(myMap.delete("bar")); // Returns true. Successfully removed.
console.log(myMap.has("bar")); // Returns false. The "bar" element is no longer present.
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