Iterating through all the <div> tags on a page
You can use:
var divs = document.getElementsByTagName("div");for(var i = 0; i < divs.length; i++){ //do something to each div like divs[i].innerHTML = "something new...";}
To find a property in one or more of all divs on a page:
var divs = document.getElementsByTagName("div"), i=divs.length;while (i--) { if (divs[i].getAttribute([yourProperty]) === 'yourValue'){ //do something } }