<Script language="javascript">
function test()
{ if
(document.form1.xx.value.length<=6)
alert("ERROR")
else
alert("OK")
}
</Script>
<form name="form1">
<span id=sNum>0</span><br>
<input type="button" onclick="test()" value="xx">
<input type="text" name="xx" onkeyup="sNum.innerText=this.value.length" >
</form>
function test()
{ if
(document.form1.xx.value.length<=6)
alert("ERROR")
else
alert("OK")
}
</Script>
<form name="form1">
<span id=sNum>0</span><br>
<input type="button" onclick="test()" value="xx">
<input type="text" name="xx" onkeyup="sNum.innerText=this.value.length" >
</form>
解决方案 »
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