📄 只输入数字的几种方法.htm
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<HTML><HEAD><TITLE>只输入数字的几种方法</TITLE>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
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<STYLE>TD {
FONT-SIZE: 12px
}
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<BODY>
<TABLE borderColor=#000000 cellSpacing=0 borderColorDark=#ffffff cellPadding=0
width="90%" borderColorLight=#000000 border=1>
<TBODY>
<TR>
<TD width="100%"><input
onkeyup="this.value=this.value.replace(/\D/g,'')"
onafterpaste="this.value=this.value.replace(/\D/g,'')"> <BR>try:<INPUT
onkeyup="this.value=this.value.replace(/\D/g,'')"
onafterpaste="this.value=this.value.replace(/\D/g,'')"></TD></TR>
<TR>
<TD width="100%"><input name=txt1
onchange="if(/\D/.test(this.value)){alert('只能输入数字');this.value='';}"><BR>try:<INPUT
onchange="if(/\D/.test(this.value)){alert('只能输入数字');this.value='';}"
name=txt1></TD></TR>
<TR>
<TD width="100%"><input onkeyup="if(isNaN(value))execCommand('undo')"
onafterpaste="if(isNaN(value))execCommand('undo')"><BR>try:<INPUT
onkeyup="if(isNaN(value))execCommand('undo')"
onafterpaste="if(isNaN(value))execCommand('undo')"></TD></TR>
<TR>
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