点击运行
<html> <head> <script type="text/javascript" src="/static/jquery/jquery.min.js"></script> <script type="text/javascript"> $(document).ready(function(){ $(".btn1").click(function(){ $("span").text($("p").height()); }); }); </script> </head> <body> <p>本段落的高度是 <span>unknown</span> px。</p> <button class="btn1">获得高度</button> </body> </html>
运行结果
