在表单的onsubmit事件中进行处理。例中,txtTest2的值必须为"test":<SCRIPT language=javascript>
function checkValid()
{
if (frmTest.txtTest2.value!="test")
{
alert("Error!");
frmTest.txtTest2.value = "";
window.event.cancelBubble=true;
window.event.returnValue = false;
return false;
}
}
</SCRIPT><FORM id=frmTest method=post action="" onsubmit="javascript:checkValid()">
<INPUT name=txtTest1>
<INPUT name=txtTest2>
<INPUT type=submit value=Submit>
</FORM>
function checkValid()
{
if (frmTest.txtTest2.value!="test")
{
alert("Error!");
frmTest.txtTest2.value = "";
window.event.cancelBubble=true;
window.event.returnValue = false;
return false;
}
}
</SCRIPT><FORM id=frmTest method=post action="" onsubmit="javascript:checkValid()">
<INPUT name=txtTest1>
<INPUT name=txtTest2>
<INPUT type=submit value=Submit>
</FORM>
解决方案 »
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