Add Attribute Js Code Example


Example 1: javascript change attribute

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

Example 2: setAttribute()

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

Example 3: set attribute javascript

Element.setAttribute(name, value);

Example 4: 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;");

Example 5: set property dom javascrpt

document.getElementsByTagName("H1")[0].setAttribute("class", "democlass");

Example 6: 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;');

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