String.whenInDOM : call a function on a DOM element from the future

String.whenInDOM.js

if(!String.whenInDOM){
    if(!String.defaultReplacementTimeout)
        String.defaultReplacementTimeout = 16384;
    String.implement({
        whenInDOM : function(
            callback,
            delayCallback,
            timeoutCallback,
            timeout,
            counter
        ){
            if(!timeout) timeout = String.defaultReplacementTimeout;
            if(!counter) counter = 0;
            if(!timeoutCallback) timeoutCallback = function(event){
                throw(
                    'Element did not appear in DOM(\''+event.id+
                    '\') after '+event.time+'ms'
                );
            };
            if(!document.id(this)){
                // we want to get the DOM node when it appears
                // so we're looking for a gradient falloff of intervals
                // as it approaches timeout
                var delayTime = Math.pow(2, counter);
                if(delayTime >= timeout){
                    timeoutCallback({
                        id : this,
                        count : counter,
                        time : delayTime
                    });
                }
                counter++;
                this.whenInDOM.delay(delayTime, this,
                    [callback, delayCallback, timeoutCallback, timeout, counter]
                );
                if(delayCallback) delayCallback({
                    count : counter,
                    time : delayTime
                });
            }else{
                callback(document.id(this));
            }
        }
    });
}

whenInDOM_ex.js

'my_awesome_id'.whenInDOM(function(){
    //do stuff here
});