点击运行
<html> <head> <script type="text/javascript" src="/static/jquery/jquery.min.js"></script> <script type="text/javascript"> $(document).ready(function(){ $(".field").change(function(){ $(this).css("background-color","#FFFFCC"); }); $("button").click(function(){ $("input").change(); }); }); </script> </head> <body> <button>激活文本域的 change 事件</button> <p>Enter your name: <input class="field" type="text" /></p> </body> </html>
运行结果
