js监听回车事件
1.<script language="javascript" for="document" event="onkeydown"> 2. var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode; 3. if (keyCode == 13) { 4. controlForm(1); 5. } 6. </script> 存在这里，方便以后用
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