通过点击按钮实现给段落的标签添加背景颜色

佚名 6年前 (2019-05-06) 随笔 1074人围观抢沙发百度已收录

<!DOCTYPE html>
<html>
    <head>
        <!--实现给段落的标签添加背景颜色-->
        <meta charset="utf-8">
        <title>jQuery</title>
        <script src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.8.0.js"></script>
        <script type="text/javascript">
            $(document).ready(function(){
                $("button").click(function(){
                    $("p#p_id1").css("background-color","red");
                    $("p#p_id2").css("background-color","blue");
                });
            });    
        </script>
    </head>
    <body>
        <h2>点击</h2>
        <p id="p_id1">1234</p>
        <p id = "p_id2">56789</p>
        <button>点击按钮</button>
    </body>
</html>