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JavaScript Reflect.isExtensible() Method
The static Reflect.isExtensible() method is used to check if an object is extended or not. This method is similar to Object.isExtensible() but with some difference.
Syntax:
Parameters:
Obj: It is the target object which to check if it is extensible.
Return value:
This method returns a Boolean which indicates whether or not the target is extensible.
Exceptions:
A TypeError, if the target is not an Object.
Browser Support:
Chrome | 49 |
Edge | 12 |
Firefox | 42 |
Opera | 36 |
Example 1
Output:
true false
Example 2
Output:
false false
Example 3
Output:
true false
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