JS验证只能输入数字
<SCRIPT LANGUAGE="JavaScript">
function limitNum(obj) {
if(obj.value.replace(/["d+]/ig,"").length>0) {
alert('请输入数字')
}
}
</SCRIPT>
<input name="textfield1" type="text" id="textfield1" style="width:60;" onKeyup="limitNum(this)" />
<!--<asp:textbox name="dealtime" type="text" size="25" id="dealtime" runat="server" Width="42px" MaxLength="5" onpropertychange="limitNum(this)"></asp:textbox>-->
function limitNum(obj) {
if(obj.value.replace(/["d+]/ig,"").length>0) {
alert('请输入数字')
}
}
</SCRIPT>
<input name="textfield1" type="text" id="textfield1" style="width:60;" onKeyup="limitNum(this)" />
<!--<asp:textbox name="dealtime" type="text" size="25" id="dealtime" runat="server" Width="42px" MaxLength="5" onpropertychange="limitNum(this)"></asp:textbox>-->


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