The JavaScript Object freeze() method prevents existing properties from being modified and the new properties from being added on the specific object.
Syntax:
Object.freeze(object)
Parameters:
object: It represents the object on which new properties are to be added or modified.
Return:
Given object.
Example:
<!DOCTYPE html>
<html>
<body>
<script>
const obj = { prop: 56 };
const obj2 = Object.freeze(obj);
obj2.prop = 65;
document.write(obj2.prop);
</script>
</body>
</html>