Advanced Search

Posted By

skatan on 08/23/07

Tagged

Versions (?)

Last Edited at 08/23/07 11:58am

Statistics

Viewed 2700 times
Favorited by 9 user(s)

Related snippets

1126
addClass Function
737
jQuery addClass every other (n)
884
addClass function
735
jQuery addClass

addClass, removeClass, hasClass

/ Published in: JavaScript
Save to your folder(s)

Expand | Embed | Plain Text

Copy this code and paste it in your HTML 
  1. function hasClass(ele,cls) {
  2. 	return ele.className.match(new RegExp('(\\s|^)'+cls+'(\\s|$)'));
  3. }
  4.  
  5. function addClass(ele,cls) {
  6. 	if (!this.hasClass(ele,cls)) ele.className += " "+cls;
  7. }
  8.  
  9. function removeClass(ele,cls) {
  10. 	if (hasClass(ele,cls)) {
  11.     	var reg = new RegExp('(\\s|^)'+cls+'(\\s|$)');
  12. 		ele.className=ele.className.replace(reg,' ');
  13. 	}
  14. }
  15.  
  16. //call the functions
  17. addClass(document.getElementById("test"), "test");
  18. removeClass(document.getElementById("test"), "test")
  19. if(hasClass(document.getElementById("test"), "test")){//do something};

URL: http://www.openjs.com/scripts/dom/class_manipulation.php

Report this snippet


Comments

RSS Icon Subscribe to comments

You need to login to post a comment.