js set attribute code example

Example 1: javascript update attribute

var element = document.getElementById("elemId");
element.setAttribute("attributeName", "value");

Example 2: how to add attribute to selected element in javascript

// Selecting the element
    var btn = document.getElementById("myBtn");
	
    // Setting new attributes
    btn.setAttribute("class", "click-btn");
    btn.setAttribute("disabled", "");

Example 3: javascript setattribute

element.setAttribute(<name>, <value>);
// ex
var aElement = document.querySelector("a"); 
aElement.setAttribute("href", "https://isitchristmas.com/"); 
// same as <a href="https://isitchristmas.com/"></a>

Example 4: html change attribute

element.setAttribute(name, value);


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

Example 5: setAttribute()

element.setAttribute(name, value);
element.setAttribute("style", "background-color: red;");

Example 6: set attribute javascript

Element.setAttribute(name, value);