web前端选项卡的实现

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>选项卡</title>
    <script src="js/jquery.js"></script>
</head>
<body>
<button>11</button>
<button>22</button>
<button>33</button>
<button>44</button>
<script>
    //javascript实现方法
    // obtn = document.querySelectorAll('button');
    // for(var i = 0; i < obtn.length; i++){
    //     obtn[i].onclick = function(){
    //         for(var j = 0; j < obtn.length; j++){
    //             obtn[j].style.color = "black";
    //         }
    //         this.style.color = "red";
    //     }
    // }

    //jquery实现方法
    $('button').click(function() {
        $(this).css("color", "red").siblings().css("color", "black");
    });

</script>

<div>
    <ul>
        <li>
            <a href="javascript:void(0);">11</a>
        </li>
        <li>
            <a href="javascript:void(0);">22</a>
        </li>
        <li>
            <a href="javascript:void(0);">33</a>
        </li>
        <li>
            <a href="javascript:void(0);">44</a>
        </li>
    </ul>
</div>
<script>
    $('div ul li>a').click(function(){
        $(this).css({"text-decoration": "none", "color": "red"}).parent().siblings('li').children('a').css("color","black");
    });
</script>
</body>
</html>

posted on 2019-07-09 14:30 lilyxiaoyy 阅读(2267) 评论(0) 编辑收藏举报

web前端 选项卡的实现

web前端选项卡的实现