JavaScript handler.isExtensible() Method

The handler.isExtensible() method a trap for Object.isExtensible(). We can be mostly used for logging or auditing calls to Object.isExtensible (determine if an object is "extensible").

Syntax

Parameters

target: The target object.

Return value

Return a Boolean value.

Browser Support

Example 1

in isExtensible true 
in isExtensible false

Example 2

Output:

in value : true 

Example 3

Output:

true