Dom Index Page 1

How to Change a DOM element's class with JavaScript

If you want to change element class using javascript you can try: document.getElementById("ElementId").classList.add('NewClass') to add a new class. Alternative methods are remove and contains. Check here for more examples and alternatives using jQuery or coe for older browsers.

Dom Index Page 1

How to check if an element is hidden in jQuery?

To check if an element is hidden use: $(element).is(":visible");

Dom Index Page 1

How to check if an element is hidden in jQuery?

To check if an element is hidden use: $(element).is(":visible");