JAVASCRIPT

.change() in pure js

/* event listener */
document.getElementsByName("Thing")[0].addEventListener('change', doThing);

/* function */
function doThing(){
   alert('Horray! Someone wrote "' + this.value + '"!');
}

.change() in pure js

window.onload = function() {
    [].forEach.call(document.querySelectorAll('.content[href="this.com"]'),function(e){
       e.innerHTML = "Im changed by forEach, its still a loop!"; 
    });
}

.change() in pure js

function addEventHandler(elem, eventType, handler) {
    if (elem.addEventListener)
        elem.addEventListener (eventType, handler, false);
    else if (elem.attachEvent)
        elem.attachEvent ('on' + eventType, handler); 
}