Break on a change of variable value

Question

Similar to other questions here, like this one.

Is there a way to break on the change of a variable value in any JavaScript debugger? (like IE Developer tools, Visua

Answer 1

I'm having success with this library in Chrome and it looks to support all major browsers.

https://gist.github.com/eligrey/384583

Just include the .js file, then call:

yourObject.watch('someProperty', function() { 
    doWhatYouWant(); 
    debugger; 
    console.write('this too'); 
    alert('Object Changed'); //etc 
});