JavaScript Map clear() method

The JavaScript map clear() method is used to remove all the elements from Map object.

Syntax

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

JavaScript Map clear() method example

Here, we will understand clear() method through various examples.

Example 1

Let's see a simple example of clear() method.

Output:

 Size before invoking clear(): 3 Size after invoking clear(): 0 

Example 2

Let's see an example to determine whether the map object contains the specified element.

Output:

 Element present before invoking clear(): true Element present after invoking clear(): false