JavaScript WeakSet delete() method

The JavaScript WeakSet delete() method is used to remove the specified object from WeakSet object.

Syntax

The delete() method is represented by the following syntax:

JavaScript WeakSet delete() method example

Let's see an example to delete the specified elements from the WeakSet object.

<script>
var ws = new WeakSet();
var obj={};
ws.add(obj);
document.writeln("Element present before invoking delete() method: "+ws.has(obj)+"<br>");
ws.delete(obj);
document.writeln("Element present before invoking delete() method: "+ws.has(obj));
</script>

Test it Now

Output:

Element present before invoking delete() method: true
Element present after invoking delete() method: false

Next TopicWeakSet has() Method

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JavaScript WeakSet delete() method

Syntax