How to alert ,when div content changes using jquery

I want to giv开发者_Python百科e a alert message,when div content changes.

Is there any listener provided by jquery api for div element?

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Bind the dom modification events -

$(document).ready(function(){
    $('#test_div').bind('DOMNodeInserted DOMSubtreeModified DOMNodeRemoved', function(event) {
        alert('Changed');
    })
})