<script language="javascript">
function havenonumber(theelement) {
text="1234567890";
for(i=0;i<=theelement.length-1;i++) {
char1=theelement.charAt(i);
index=text.indexOf(char1);
if(index==-1) {
return true;
}
}
return false;
}
function checkform() {
if ((havenonumber(document.form1.number.value))){
return false;
}
return ture;
}
</script>
<form method="POST" name="form1" action="1.jsp" onSubmit="return checkform()">
<input type="text" name="number" size=20>
</form>
function havenonumber(theelement) {
text="1234567890";
for(i=0;i<=theelement.length-1;i++) {
char1=theelement.charAt(i);
index=text.indexOf(char1);
if(index==-1) {
return true;
}
}
return false;
}
function checkform() {
if ((havenonumber(document.form1.number.value))){
return false;
}
return ture;
}
</script>
<form method="POST" name="form1" action="1.jsp" onSubmit="return checkform()">
<input type="text" name="number" size=20>
</form>
<script language="javascript">
function havenonumber(theelement) {
text="1234567890";
for(i=0;i<=theelement.length-1;i++) {
char1=theelement.charAt(i);
index=text.indexOf(char1);
if(index==-1) {
return true;
}
}
return false;
}
function checkform() {
if ((havenonumber(document.form1.number.value))){
alert("输入不对");
return false;
}
return true;
}
</script>
<form method="POST" name="form1" action="1.jsp" onSubmit="return checkform()">
<input type="text" name="number" size=20>
</form>
<!--
function checkit(e){
for(i=0;i<e.value.length;i++){
if(e.value.charCodeAt(i)<48 || e.value.charCodeAt(i)>57){
alert("请输入半角数字");
return;
}
}
}
//-->
</SCRIPT>
--------------------------------------------------------------------
Sets or retrieves the state of an Input Method Editor (IME).SyntaxHTML { ime-mode : sMode }
Scripting object.style.imeMode [ = sMode ] Possible ValuessMode String that specifies or receives one of the following values.auto Default. IME is not affected. This is the same as not specifying the ime-mode attribute.
active All characters are entered through the IME. Users can still deactivate the IME.
inactive All characters are entered without IME. Users can still activate the IME.
disabled IME is completely disabled. Users cannot activate the IME if the control has focus.