如何实现两个文本框同时输入

如何实现两个文本框同时输入

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="zh-CN">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title></title>
</head>
<body>
<script language="javascript">
function copyob1toob2(){
    document.all["ob_text_2"].value=document.all["ob_text_1"].value
}
</script>
<input type="text" id="ob_text_1" size=20 onkeyup="copyob1toob2()">
<input type="text" id="ob_text_2" size=20>

</body>
</html>

 

posted @ 2017-09-24 15:30  侯爵吖  阅读(1102)  评论(0编辑  收藏  举报