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June 22, 2018 14:41
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Pure JS Class helpers addclass, removeclass
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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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