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Briefly describe the implementation method of simultaneous input in two text boxes

巴扎黑Original: 2017-09-26 09:41:262116browse

The following editor will bring you an example of inputting two text boxes at the same time. The editor thinks it’s pretty good, so I’ll share it with you now and give it as a reference. Let’s follow the editor and take a look.

The example is as follows:

<!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>

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Briefly describe the implementation method of simultaneous input in two text boxes

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