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May 29

Simplest Classname Switcher

Coding, JavaScript Add comments

Simplest JS function to add/remove custom classname with carrying about another classes.
just to remember.

function toggleClassName(obj,sClassName,switcher){
	if(switcher){
		if(obj.className.indexOf(sClassName)==-1)
			obj.className=obj.className + ' ' + sClassName;
	}else{
		var re = new RegExp(sClassName,'g');
		obj.className=obj.className.replace(re,'');
	}
}

sapienti sat

3 Responses to “Simplest Classname Switcher”

  1. Lynn Says:
    May 29th, 2007 at 11:58 am

    toggleClassName(div, ‘test’, false)

    Oooops…

  2. Lynn Says:
    May 29th, 2007 at 12:07 pm

    function toggleClassName(obj,sClassName,switcher){
    var re = new RegExp('\b'+sClassName+'\b','g');
    if(switcher){
    if(!obj.className.match(re))
    obj.className=obj.className + ' ' + sClassName;
    }else{
    obj.className=obj.className.replace(re,'');
    }
    }

  3. Alex Says:
    May 30th, 2007 at 8:33 am

    Good idea, thanks a lot! :)

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