Mutation Observer Selection

mutation.js

/* The following are mutation observers for performance reasons. */
var canObserveMutation = 'MutationObserver' in window;

if(canObserveMutation){

var observer, callback;

callback = function( allmutations ){
     allmutations.map( function(mr){
        console.dir(mr);
    	var mt = 'Mutation type: ' + mr.type;  // log the type of mutation
    	mt += 'Mutation target: ' + mr.target; // log the node affected.
    	console.log( mt );
    });

};



observer = new MutationObserver( callback );

var  options = {
    'childList': true,
    'attributes':true,
    'characterData':true,
    'subtree':true,
    'attributeOldValue':true,
    'characterDataOldValue':true,
    'attributeFilter':true
    
};
var docBody = document.querySelector( 'body' );

observer.observe( docBody, options );

/* observer.disconnect to remove the connection. */

}/* End canObserveMutation */