JavaScript Object.freeze() Method

The Object.freeze() method freezes an object that prevents new properties from being added to it. This method prevents the modification of existing property, attributes, and values.

Syntax:

Parameter

Obj: The object to freeze.

Return value:

This method returns the object that was passed to the function.

Browser Support:

Example 1

Output:

22  

Example 2

Output:

" freeze "  

Example 3

Output:

[object Object] {   name: "charry",    prop: function() {}  }  [object Object] {   name: "karri"  }  [object Object] {   name: "karri"  }