addClass Function

/ Published in: JavaScript
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Function to look if an element has a class, if it doesn't simply add it to the element. If it does have a class add it to the class that is already there. Function expects 2 values, the element to add the class to, and the new class name (value).

Copy this code and paste it in your HTML
  1. function addClass(element, value) {
  2. if(!element.className) {
  3. element.className = value;
  4. } else {
  5. newClassName = element.className;
  6. newClassName+= " ";
  7. newClassName+= value;
  8. element.className = newClassName;
  9. }
  10. }

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