12 окт. 2008 г. · To replace all existing classes with one or more new classes, set the className attribute: document.getElementById("MyElement").className = "MyClass";

18 дек. 2020 г. · Basically you can do it in three ways; first way is by using class constructor and passing function in constructor.

3 февр. 2009 г. · JavaScript provides 2 different ways by which you can add classes to HTML elements: Using element.classList.add() Method; Using className ...

8 февр. 2010 г. · You can change the class on mydiv in javascript like this: document.getElementById('mydiv').className = 'newclass';

12 июл. 2009 г. · 3 ways to add a class to a DOM element in JavaScript · The className way - Simple way to add a single or multiple classes and remove or change ...

12 янв. 2021 г. · First remove the class whatever 1st and 2nd li element has, then add the class complete. If the 3rd li element has class name active, then the 4th li element ...

25 дек. 2013 г. · If the structure is to stay the same, using jquery something in this direction should work. $('#first li').first().addClass('first') $(' ...

4 нояб. 2014 г. · I'm looking for a fast and secure way to add and remove classes from an html element without jQuery. It also should be working in early IE (IE8 and up).

28 дек. 2013 г. · I need set value of a bunch of input boxes based on class (class="Qty ... this works if I use the ElementID ... document.getElementById('G_Qty_0').

23 янв. 2014 г. · Using plain javascript: var list; list = document.querySelectorAll("li.even, li.odd"); for (var i = 0; i < list.length; ++i) { list[i].classList.add('cf'); }