js阻止事件冒泡

Posted 2022-03-09 lurenjia1994

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直接上代码

<!DOCTYPE html>
<html>
<head>
    <title>js事件委托测试</title>
</head>
<body>
    <div id=‘box‘></div>
<script src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js"></script>
<style type="text/css">
    .item
        background-color: yellow;
        margin: 10px;
        padding: 10px;
        color: black;
    
</style>
<script type="text/javascript">
    $(document).ready(function()

        var addItem = function()
            htmlStr = ‘‘
            for(var i=0; i<10; i++)
                htmlStr += (`<div class="item">$i</div>`)
            
            $(‘#box‘).html(htmlStr)        
        
        addItem()
        $(‘.item‘).bind(‘click‘, function(event)
            alert(‘item‘)
            event.stopPropagation()// 阻止冒泡
        )
        $(‘#box‘).bind(‘click‘, function(event)
            alert(‘box‘)
        )
    )
</script>
</body>
</html>