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class
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| function hasClass(ele, cls) { | |
| return !!ele.className.match(new RegExp('(\\s|^)' + cls + '(\\s|$)')); | |
| } | |
| function addClass(ele, cls) { | |
| if (!hasClass(ele, cls)) ele.className += " " + cls; | |
| } | |
| function removeClass(ele, cls) { | |
| if (hasClass(ele, cls)) { | |
| var reg = new RegExp('(\\s|^)' + cls + '(\\s|$)'); | |
| ele.className = ele.className.replace(reg, ' '); | |
| } | |
| } |
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