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2. How can I change an element's class with JavaScript?

   stackoverflow.com/questions/195951

   The OP question was How can I change an element's class with JavaScript? Modern browsers allow you to do this with one line of JavaScript: document.getElementById('id').classList.replace('span1', 'span2') The classList attribute provides a DOMTokenList which has a variety of methods.

3. How to change a css class style through Javascript?

   stackoverflow.com/questions/2221160

   Another benefit in using a framework is that you can more easily add or remove class names rather than simply replace the entire class attribute's value (e.g. to remove "myclass" from an element with a class attribute of "myclass myotherclass" you'd otherwise have to replace the attribute value with "myotherclass" or do something funky like split the string into an array and remove the entry ...

4. javascript - How to add a class to a given element ... - Stack...

   stackoverflow.com/questions/507138

   You can use the classList.add OR classList.remove method to add/remove a class from a element. var nameElem = document.getElementById ("name") nameElem.classList.add ("anyclss") The above code will add (and NOT replace) a class "anyclass" to nameElem. Similarly you can use classList.remove () method to remove a class.

5. How to change CSS property using JavaScript - Stack Overflow

   stackoverflow.com/questions/15241915

   I want to change a CSS property of a class using JavaScript. What I actually want is when a <div> is hovered, another <div> should become visible. .left, .right { margin: 10px; ...

6. javascript - Event trigger on a class change - Stack Overflow

   stackoverflow.com/questions/10612024

   Event sequence is: A) 'class-change' request event is fired, that can be rejected by handler by preventDefault() if needed. If rejected, then class change will be cancelled. B) class change function will be executed. B) 'class-add' or 'class-remove'... information event is fired.

7. Change the style of an entire CSS class using javascript

   stackoverflow.com/questions/9153718

   display: block; } .foolnone select {. display: none; } </style>. and change the class of <p> to foolnone. Otherwise, you'd have to go through each of the children of <p> and change the class. If that's the way you want to go, probably probably best to use some library, such as jquery.

8. Modify CSS classes using Javascript - Stack Overflow

   stackoverflow.com/questions/23348456

   3. If your rules start incrementing you could extract your css to a new class and switch classes: CSS: .container-1 { /* A set of rules */ } .container-2 { /* A set of rules */ } JavaScript: element.className = element.className.replace (/container-1/, 'container-2') answered Apr 28, 2014 at 18:29. sites.

9. Changing the class of an element with onclick javascript

   stackoverflow.com/questions/10825582

   Javascript change class onclick. 0. how to change a css class onclick? 0. Change element-class on click ...

10. Change CSS of class in Javascript? - Stack Overflow

    stackoverflow.com/questions/5753680

    If you manipulate the CSS rules, all elements having a certain CSS class are affected - now and in the future, i.e. new elements dynamically added to the DOM are also hidden, whereas when you add/remove a class, you must make sure that newly added elements also have the class added/removed.

11. javascript - How to dynamically change CSS class of an HTML tag...

    stackoverflow.com/questions/22576927

    So if you want append a css class to an element, you can do it like this - document.getElementById('div1').setAttribute( "class", document.getElementById('div1').getAttribute('class') + " blueClass" ); OR. document.getElementById('div1').className +=" redClass"; Note: Using this way, the same class can be added multiple times. It's only a trick ...