自定义方法通过类名获取对象集合
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2022-03-13 13:56:04
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<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><title>Title</title></head><body><div class="one">我是one</div><div class="wrap"><div class="one">我也是one</div><div class="two">我也two</div><div class="one">i'm one too</div></div><script>function selectorClass(className) {if (className.indexOf('.') === 0) {className = className.slice(1);}return document.getElementsByClassName(className);}var oneObjArr = selectorClass('.one');console.log(oneObjArr);for (var i in oneObjArr) {oneObjArr[i].innerHTML = '我们都是one'}</script></body></html>
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