Answers for "add attribute in html using javascript"

javascript add attribute

var element = document.getElementById('btnBuild');
element.setAttribute("disabled", "disabled");

set attribute in javascript

//Fetch id from html
var a = document.getElementById("id");

//variable.setAttribute("Attributes","Properties:Values")
a.setAttribute("style", "visibility:hidden;");

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;");