html - How to add an class to all the li tags with javascript -


i'm trying give (via javascript) li tags on html page class. best way this?

javascript

var elm = document.getelementsbytagname('li') var length = elm.length; (var = 0; < length; i++) {   elm[i].classname = elm[i].classname + " classname"; }

http://jsfiddle.net/pwf4z/

jquery

  $("li").addclass("classname");

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