<body> <h3>attr()方法設(shè)置元素屬性</h3> <a href="http://127.0.0.1" id="a1">點(diǎn)我就變</a> <div>我改變后的地址是：<span id="tip"></span></div> <script type="text/javascript"> var $url =$("#a1").attr("href" , "www.imo
?? <body>
??????? <h3>attr()方法設(shè)置元素屬性</h3>
??????? <a id="a1">點(diǎn)我就變</a>
??????? <div>我改變后的地址是：<span id="tip"></span></div>
?????? ?
??????? <script type="text/javascript">
????? ?
??????????? var $url =$("#a1").attr("href" , "idcbgp.cn");
??????????? $("#tip").html($url);
??????? </script>
??? </body>
代碼改成這樣，為什么“點(diǎn)我就變”幾個(gè)字會(huì)在后面顯示？？？？？
2016-04-28
沒(méi)有啊
2016-03-21
$("#a1").attr("href","idcbgp.cn");
??????????? var $url = $("#a1").attr("href");中的代碼變成這樣
???? var $url =$("#a1").attr("href" , "idcbgp.cn");