<form name=zhuce>
<input type="text" name="wenti" onblur="one()"><span id="ps"></span><br>
<input type="text" name="daan" onblur="two()"><span id="ps1"></span><br>
</form>
<script>
function one(){
if(!document.zhuce.wenti.value)
document.getElementById("ps").innerHTML="<font color='red'>此处不能为空</font>";
else document.getElementById("ps").innerHTM="";
}
function two(){
if(!document.zhuce.daan.value)
document.getElementById("ps1").innerHTML="<font color='red'>此处不能为空</font>";
else document.getElementById("ps1").innerHTML="";
}
</script>
<input type="text" name="wenti" onblur="one()"><span id="ps"></span><br>
<input type="text" name="daan" onblur="two()"><span id="ps1"></span><br>
</form>
<script>
function one(){
if(!document.zhuce.wenti.value)
document.getElementById("ps").innerHTML="<font color='red'>此处不能为空</font>";
else document.getElementById("ps").innerHTM="";
}
function two(){
if(!document.zhuce.daan.value)
document.getElementById("ps1").innerHTML="<font color='red'>此处不能为空</font>";
else document.getElementById("ps1").innerHTML="";
}
</script>
if(!document.zhuce.wenti.value)
document.getElementById("ps").innerHTML="<font color='red'>此处不能为空</font>";
else document.getElementById("ps").innerHTML=""; //漏掉个字母
}
if(!document.zhuce.wenti.value)
document.getElementById("ps").innerHTML="<font color='red'>此处不能为空</font>";
else document.getElementById("ps").innerHTML=""; //漏掉个字母
}