js set name of element code example

Example 1: html change attribute

element.setAttribute(name, value);


var d = document.getElementById("d1"); 
d.setAttribute("align", "center");

Example 2: 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;");