JS怎么判断是哪个元素触发了点击事件?

  • 点击图形2和5,输出他们的名称和改变他们的颜色
<!DOCTYPE html>
<head>
    <meta charset="UTF-8">
    <title>JS怎么判断是哪个元素触发了点击事件?</title>
    <style>
        .smallDiv{
            border:1px solid #cccccc;
            width:50px; height:50px;
            margin: 10px;
            background:#ccc;
            display: -webkit-inline-box;
        }
    </style>
</head>
<body>

<div style="width:auto;background-color: #1A68A2" id="bigBox">
    <div class="smallDiv" data-index="1">1</div>
    <div class="smallDiv" data-index="2">2</div>
    <div class="smallDiv" data-index="3">3</div>
    <div class="smallDiv" data-index="4">4</div>
    <div class="smallDiv" data-index="5">5</div>
    <div class="smallDiv" data-index="6">6</div>
    <div class="smallDiv" data-index="7">7</div>
    <div class="smallDiv" data-index="8">8</div>
</div>
<script>
    function processInnderDiv(domDiv){
        console.log('div[data-index=%s] click',domDiv.getAttribute("data-index"));//输出被点击对象的序号
        domDiv.style="background-color:red;"//改变被点击对象的颜色
    }

    document.getElementById("bigBox").addEventListener("click",function(event){
        processInnderDiv(event.target);
    },false);
</script>
</body>
</html>
posted @ 2021-11-28 11:40  MrFlySand-飞沙  阅读(692)  评论(0编辑  收藏  举报