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I want to create a method in javascript which can be used by every object which is an element. no need to add the method like 

object = {
 methodName : function(){

 }
};
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    Extend `Object` prototype, maybe? – Adam Azad Jun 19 '17 at 12:42
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    Possible duplicate of [javascript add prototype method to all functions?](https://stackoverflow.com/questions/2126844/javascript-add-prototype-method-to-all-functions) – krillgar Jun 19 '17 at 12:44
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    Also see [Why is extending native objects a bad practice?](https://stackoverflow.com/questions/14034180/why-is-extending-native-objects-a-bad-practice) – Alex K. Jun 19 '17 at 12:46

1 Answers1

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Your best bet is to extend Object prototype.

// extend
Object.prototype.myFunction = function(){
   console.log('universal Object function');
}
// now every object created and instance of Object will have the method myFunction available to use.
var a = {};
a.myFunction();

Please, bear in mind this Why is extending native objects a bad practice?

Adam Azad
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  • If you're going to extend `Object.property` you should at least do it with `Object.defineProperty()` and make sure the new property is not enumerable. – Lennholm Jun 19 '17 at 12:53