jquery的循环

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script src="./jquery-1.12.4.min.js"></script>
    <script>
        $(function(){
            //有5个li标签
            var $lis = $('.list li');
            //弹出5
            // alert($lis.length);
            $lis.each(function(index,elem){
                //每一个 query的li标签的对象
                console.log($(this));

                console.log(index);
                //系统自带的参数,是js原生标签对象
                console.log(elem); 

                $(elem).css({"color":"red"});               
            })
            
            
            
            //在js里面循环的结构

            // for(var index=0;index<$lis.length;index++){
            //     var element = $lis.eq(index);
            //     //每一个query的li标签的对象
            //     console.log(element);
            // }

                
        })
    
    </script>
</head>
<body>
    <ul class="list">
        <li>1</li>
        <li>2</li>
        <li>3</li>
        <li>4</li>
        <li>5</li>
    </ul>
</body>
</html> 

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转载自blog.csdn.net/owc1874/article/details/80752798
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