Object.watch() for all browsers?

Question

Please note that Object.Watch and Object.Observe are both deprecated now (as of Jun 2018).

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I was looking for an easy way to monitor an object

Answer 1

I have used Watch.js in one of my projects. And it is working fine.One of the main advantage of using this library is :

"With Watch.JS you will not have to change the way you develop."

The example is given below

//defining our object however we like
var ex1 = {
	attr1: "initial value of attr1",
	attr2: "initial value of attr2"
};

//defining a 'watcher' for an attribute
watch(ex1, "attr1", function(){
	alert("attr1 changed!");
});

//when changing the attribute its watcher will be invoked
ex1.attr1 = "other value";

This is as simple as this!