change attribute value javascript code example

Example 1: javascript update attribute

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

Example 2: set attribute in javascript

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

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

Example 3: setAttribute()

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

Example 4: set attribute javascript

Element.setAttribute(name, value);

Example 5: js setattribute

const link = document.querySelector('a');

console.log(link.getAttribute('href'));
link.setAttribute('href', 'https://yandex.ru');
link.innerText = 'The Next Link';

const mssg = document.querySelector('p');

console.log(mssg.getAttribute('class'));

mssg.setAttribute('class', 'success');
mssg.setAttribute('style', 'color: green;');