实时监听input输入情况

 1 <!DOCTYPE html>
 2 <html>
 3     <head>
 4         <meta charset="UTF-8">
 5         <title></title>
 6     </head>
 7     <body>
 8         <input type="text" id="oInput"/>
 9         <script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
10         <script type="text/javascript">
11             $('#oInput').on('input', function() {
12                 console.log($(this).val())
13             })
14         </script>
15     </body>
16 </html>

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转载自www.cnblogs.com/1032473245jing/p/8991307.html