javascript set element code example
Example 1: change innerhtml
document.getElementById("p1").innerHTML = "New text!";
Example 2: javascript change element id
var element = document.getElementById("oldID");
element.id = "newID";
Example 3: put new attribute on html tag using javascript
// Here's what you do for the style attribute
span.setAttribute("style", "width:110%;float:center;left-margin:-10px;top-margin:-10;");