jquery元素操作-36_html

 

<!DOCTYPE html>
<html lang="en">
 
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="./js/jquery.min.js"></script>
    <style>
        div {
            width: 100px;
            height: 100px;
            background-color: pink;
        }
    </style>
</head>
 
<body>
    <div>1</div>
    <div>2</div>
    <div>3</div>
    <script>
        $(function() {
            var arr = ["red", "green", "pink"];
            var sum = 0;
            $("div").each(function(index, domEle) {
                //第一个索引号
                console.log(index);
                console.log(domEle);
                $(domEle).css("color", arr[index]);
                sum += parseInt($(domEle).text());
            })
            console.log(sum);
        })
    </script>
</body>
 
</html>

运行结果

jquery元素操作-36_html_02