1. 闀垮害闄愬埗
<script>
function test()
{
if(document.a.b.value.length>50)
{
alert("涓嶈兘瓚呰繃50涓瓧絎︼紒");
document.a.b.focus();
return false;
}
}
</script>
<form name=a onsubmit="return test()">
<textarea name="b" cols="40" wrap="VIRTUAL" rows="6"></textarea>
<input type="submit" name="Submit" value="check">
</form>
2. 鍙兘鏄眽瀛?
<input onkeyup="value="/oblog/value.replace(/[^\u4E00-\u9FA5]/g,'')">
3." 鍙兘鏄嫳鏂?br><script language=javascript>
function onlyEng()
{
if(!(event.keyCode>=65&&event.keyCode<=90))
event.returnvalue=false;
}
</script>
<input onkeydown="onlyEng();">
4. 鍙兘鏄暟瀛?br><script language=javascript>
function onlyNum()
{
if(!((event.keyCode>=48&&event.keyCode<=57)||(event.keyCode>=96&&event.keyCode<=105)))
//鑰冭檻灝忛敭鐩樹笂鐨勬暟瀛楅敭
event.returnvalue=false;
}
</script>
<input onkeydown="onlyNum();">
5. 鍙兘鏄嫳鏂囧瓧絎﹀拰鏁板瓧
<input onkeyup="value="/oblog/value.replace(/[\W]/g,"'') "onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/[^\d]/g,''))">
6. 楠岃瘉娌圭鏍煎紡
<SCRIPT LANGUAGE=javascript RUNAT=Server>
function isEmail(strEmail) {
if (strEmail.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1)
return true;
else
alert("oh");
}
</SCRIPT>
<input type=text onblur=isEmail(this.value)>
7. 灞忚斀鍏抽敭瀛?榪欓噷灞忚斀***鍜?***)
<script language="javascript1.2">
function test() {
if((a.b.value.indexOf ("***") == 0)||(a.b.value.indexOf ("****") == 0)){
alert(":)");
a.b.focus();
return false;}
}
</script>
<form name=a onsubmit="return test()">
<input type=text name=b>
<input type="submit" name="Submit" value="check">
</form>
8. 涓ゆ杈撳叆瀵嗙爜鏄惁鐩稿悓
<FORM METHOD=POST ACTION="">
<input type="password" id="input1">
<input type="password" id="input2">
<input type="button" value="test" onclick="check()">
</FORM>
<script>
function check()
{
with(document.all){
if(input1.value!=input2.value)
{
alert("false")
input1.value = "";
input2.value = "";
}
else document.forms[0].submit();
}
}
</script>
澶熶簡鍚?:)
灞忚斀鍙抽敭 寰堥叿
oncontextmenu="return false" ondragstart="return false" onselectstart="return false"
鍔犲湪body涓?/p>
浜?/p>
2.1 琛ㄥ崟欏逛笉鑳戒負絀?/p>
<script language="javascript">
<!--
function CheckForm()
{
if (document.form.name.value.length == 0) {
alert("璇瘋緭鍏ユ偍濮撳悕!");
document.form.name.focus();
return false;
}
return true;
}
-->
</script>
2.2 姣旇緝涓や釜琛ㄥ崟欏圭殑鍊兼槸鍚︾浉鍚?/p>
<script language="javascript">
<!--
function CheckForm()
if (document.form.PWD.value != document.form.PWD_Again.value) {
alert("鎮ㄤ袱嬈¤緭鍏ョ殑瀵嗙爜涓嶄竴鏍鳳紒璇烽噸鏂拌緭鍏?");
document.ADDUser.PWD.focus();
return false;
}
return true;
}
-->
</script>
2.3 琛ㄥ崟欏瑰彧鑳戒負鏁板瓧鍜?_",鐢ㄤ簬鐢佃瘽/閾惰甯愬彿楠岃瘉涓?鍙墿灞曞埌鍩熷悕娉ㄥ唽絳?/p>
<script language="javascript">
<!--
function isNumber(String)
{
var Letters = "1234567890-"; //鍙互鑷繁澧炲姞鍙緭鍏ュ?br>var i;
var c;
if(String.charAt( 0 )=='-')
return false;
if( String.charAt( String.length - 1 ) == '-' )
return false;
for( i = 0; i < String.length; i ++ )
{
c = String.charAt( i );
if (Letters.indexOf( c ) < 0)
return false;
}
return true;
}
function CheckForm()
{
if(! isNumber(document.form.TEL.value)) {
alert("鎮ㄧ殑鐢佃瘽鍙風爜涓嶅悎娉曪紒");
document.form.TEL.focus();
return false;
}
return true;
}
-->
</script>
2.4 琛ㄥ崟欏硅緭鍏ユ暟鍊?闀垮害闄愬畾
<script language="javascript">
<!--
function CheckForm()
{
if (document.form.count.value > 100 || document.form.count.value < 1)
{
alert("杈撳叆鏁板間笉鑳藉皬浜庨浂澶т簬100!");
document.form.count.focus();
return false;
}
if (document.form.MESSAGE.value.length<10)
{
alert("杈撳叆鏂囧瓧灝忎簬10!");
document.form.MESSAGE.focus();
return false;
}
return true;
}
//-->
</script>
2.5 涓枃/鑻辨枃/鏁板瓧/閭歡鍦板潃鍚堟硶鎬у垽鏂?/p>
<SCRIPT LANGUAGE="javascript">
<!--
function isEnglish(name) //鑻辨枃鍊兼嫻?br>{
if(name.length == 0)
return false;
for(i = 0; i < name.length; i++) {
if(name.charCodeAt(i) > 128)
return false;
}
return true;
}
function isChinese(name) //涓枃鍊兼嫻?br>{
if(name.length == 0)
return false;
for(i = 0; i < name.length; i++) {
if(name.charCodeAt(i) > 128)
return true;
}
return false;
}
function isMail(name) // E-mail鍊兼嫻?br>{
if(! isEnglish(name))
return false;
i = name.indexOf(" at ");
j = name dot lastIndexOf(" at ");
if(i == -1)
return false;
if(i != j)
return false;
if(i == name dot length)
return false;
return true;
}
function isNumber(name) //鏁板兼嫻?br>{
if(name.length == 0)
return false;
for(i = 0; i < name.length; i++) {
if(name.charAt(i) < "0" || name.charAt(i) > "9")
return false;
}
return true;
}
function CheckForm()
{
if(! isMail(form.Email.value)) {
alert("鎮ㄧ殑鐢靛瓙閭歡涓嶅悎娉曪紒");
form.Email.focus();
return false;
}
if(! isEnglish(form.name.value)) {
alert("鑻辨枃鍚嶄笉鍚堟硶錛?);
form.name.focus();
return false;
}
if(! isChinese(form.cnname.value)) {
alert("涓枃鍚嶄笉鍚堟硶錛?);
form.cnname.focus();
return false;
}
if(! isNumber(form.PublicZipCode.value)) {
alert("閭斂緙栫爜涓嶅悎娉曪紒");
form.PublicZipCode.focus();
return false;
}
return true;
}
//-->
</SCRIPT>
2.6 闄愬畾琛ㄥ崟欏逛笉鑳借緭鍏ョ殑瀛楃
<script language="javascript">
<!--
function contain(str,charset)// 瀛楃涓插寘鍚祴璇曞嚱鏁?br>{
var i;
for(i=0;i<charset.length;i++)
if(str.indexOf(charset.charAt(i))>=0)
return true;
return false;
}
function CheckForm()
{
if ((contain(document.form.NAME.value, "%\(\)><")) || (contain(document.form.MESSAGE.value, "%\(\)><")))
{
alert("杈撳叆浜嗛潪娉曞瓧絎?);
document.form.NAME.focus();
return false;
}
return true;
}
//-->
</script>
1. 媯鏌ヤ竴孌靛瓧絎︿覆鏄惁鍏ㄧ敱鏁板瓧緇勬垚
---------------------------------------
<script language="Javascript"><!--
function checkNum(str){return str.match(/\D/)==null}
alert(checkNum("1232142141"))
alert(checkNum("123214214a1"))
// --></script>
2. 鎬庝箞鍒ゆ柇鏄惁鏄瓧絎?nbsp;
---------------------------------------
if (/[^\x00-\xff]/g.test(s)) alert("鍚湁姹夊瓧");
else alert("鍏ㄦ槸瀛楃");
3. 鎬庝箞鍒ゆ柇鏄惁鍚湁姹夊瓧
---------------------------------------
if (escape(str).indexOf("%u")!=-1) alert("鍚湁姹夊瓧");
else alert("鍏ㄦ槸瀛楃");
4. 閭鏍煎紡楠岃瘉
---------------------------------------
//鍑芥暟鍚嶏細chkemail
//鍔熻兘浠嬬粛錛氭鏌ユ槸鍚︿負Email Address
//鍙傛暟璇存槑錛氳媯鏌ョ殑瀛楃涓?nbsp;
//榪斿洖鍊鹼細0錛氫笉鏄?1錛氭槸
function chkemail(a)
{ var i=a.length;
var temp = a.indexOf('@');
var tempd = a.indexOf('.');
if (temp > 1) {
if ((i-temp) > 3){
if ((i-tempd)>0){
return 1;
}
}
}
return 0;
}
5. 鏁板瓧鏍煎紡楠岃瘉
---------------------------------------
//鍑芥暟鍚嶏細fucCheckNUM
//鍔熻兘浠嬬粛錛氭鏌ユ槸鍚︿負鏁板瓧
//鍙傛暟璇存槑錛氳媯鏌ョ殑鏁板瓧
//榪斿洖鍊鹼細1涓烘槸鏁板瓧錛?涓轟笉鏄暟瀛?nbsp;
function fucCheckNUM(NUM)
{
var i,j,strTemp;
strTemp="0123456789";
if ( NUM.length== 0)
return 0
for (i=0;i<NUM.length;i++)
{
j=strTemp.indexOf(NUM.charAt(i));
if (j==-1)
{
//璇存槑鏈夊瓧絎︿笉鏄暟瀛?nbsp;
return 0;
}
}
//璇存槑鏄暟瀛?nbsp;
return 1;
}
6. 鐢佃瘽鍙風爜鏍煎紡楠岃瘉
---------------------------------------
//鍑芥暟鍚嶏細fucCheckTEL
//鍔熻兘浠嬬粛錛氭鏌ユ槸鍚︿負鐢佃瘽鍙風爜
//鍙傛暟璇存槑錛氳媯鏌ョ殑瀛楃涓?nbsp;
//榪斿洖鍊鹼細1涓烘槸鍚堟硶錛?涓轟笉鍚堟硶
function fucCheckTEL(TEL)
{
var i,j,strTemp;
strTemp="0123456789-()# ";
for (i=0;i<TEL.length;i++)
{
j=strTemp.indexOf(TEL.charAt(i));
if (j==-1)
{
//璇存槑鏈夊瓧絎︿笉鍚堟硶
return 0;
}
}
//璇存槑鍚堟硶
return 1;
}
7. 鍒ゆ柇杈撳叆鏄惁涓轟腑鏂囩殑鍑芥暟
---------------------------------------
function ischinese(s){
var ret=true;
for(var i=0;i<s.length;i++)
ret=ret && (s.charCodeAt(i)>=10000);
return ret;
}
8. 緇煎悎鐨勫垽鏂敤鎴瘋緭鍏ョ殑鍚堟硶鎬х殑鍑芥暟
---------------------------------------
<script language="javascript">
//闄愬埗杈撳叆瀛楃鐨勪綅鏁板紑濮?nbsp;
//m鏄敤鎴瘋緭鍏ワ紝n鏄闄愬埗鐨勪綅鏁?nbsp;
function issmall(m,n)
{
if ((m<n) && (m>0))
{
return(false);
}
else
{return(true);}
}
9. 鍒ゆ柇瀵嗙爜鏄惁杈撳叆涓鑷?nbsp;
---------------------------------------
function issame(str1,str2)
{
if (str1==str2)
{return(true);}
else
{return(false);}
}
10. 鍒ゆ柇鐢ㄦ埛鍚嶆槸鍚︿負鏁板瓧瀛楁瘝涓嬫粦綰?
---------------------------------------
function notchinese(str){
var reg=/[^A-Za-z0-9_]/g
if (reg.test(str)){
return (false);
}else{
return(true); }
}
11. form鏂囨湰鍩熺殑閫氱敤鏍￠獙鍑芥暟
---------------------------------------
浣滅敤錛氭嫻嬫墍鏈夊繀欏婚潪絀虹殑input鏂囨湰錛屾瘮濡傚鍚嶏紝璐﹀彿錛岄偖浠跺湴鍧絳夌瓑銆?br>璇ユ牎楠岀幇鍦ㄥ彧閽堝鏂囨湰鍩燂紝濡傛灉瑕侀拡瀵筬orm閲岄潰鐨勫叾浠栧煙瀵硅薄錛屽彲浠ユ敼鍙樺垽鏂潯浠躲?/p>
浣跨敤鏂規硶錛氬湪瑕佹嫻嬬殑鏂囨湰鍩熶腑鍔犲叆title鏂囧瓧銆傛枃瀛楁槸鍦ㄦ彁紺轟俊鎭紝浣犺鎻愮ず緇欑敤鎴風殑璇ュ瓧孌電殑涓枃鍚嶃傛瘮濡傝媯嫻嬬敤鎴峰悕
html濡備笅<input name="txt_1" title="濮撳悕">,褰撶劧錛屾渶濂界敤鍙鍖栧伐鍏鋒瘮濡俤reamweaver浠涔堢殑鏉ョ紪杈戝煙銆?br>濡傛灉瑕佹嫻嬫暟瀛楃被鍨嬫暟鎹殑璇濓紝鍐嶆妸鍩熺殑id緇熶竴涓簊z.
javascript鍒ゆ柇鏃ユ湡綾誨瀷姣旇緝楹葷儲錛屾墍浠ュ氨娌℃湁鍋氭棩鏈熺被鍨嬫牎楠岀殑紼嬪簭浜?楂樻墜鍙互琛ュ厖銆?/p>
紼嬪簭姣旇緝鑽夛紝鍙槸鎻愪緵涓涓濊礬銆傛姏鐮栧紩鐜夛紒 錛氾級
鍝︼紝瀵逛簡錛屽嚱鏁拌皟鐢ㄦ柟娉曪細< form onsubmit="return dovalidate()">
function dovalidate()
{
fm=document.forms[0] //鍙嫻嬩竴涓猣orm,濡傛灉鏄涓彲浠ユ敼鍙樺垽鏂潯浠?br> for(i=0;i<fm.length;i++)
{
//媯嫻嬪垽鏂潯浠訛紝鏍規嵁綾誨瀷涓嶅悓鍙互淇敼
if(fm[i].tagName.toUpperCase()=="INPUT" &&fm[i].type.toUpperCase()=="TEXT" && (fm[i].title!=""))
if(fm[i].value="/blog/="")//
{
str_warn1=fm[i].title+"涓嶈兘涓虹┖!";
alert(str_warn1);
fm[i].focus();
return false;
}
if(fm[i].id.toUpperCase()=="SZ")//鏁板瓧鏍￠獙
{
if(isNaN(fm[i].value))
{ str_warn2=fm[i].title+"鏍煎紡涓嶅";
alert(str_warn2);
fm[i].focus();
return false;
}
}
}
return true;
}
2 >琛ㄥ崟鎻愪氦楠岃瘉綾?
2.1 琛ㄥ崟欏逛笉鑳戒負絀?/p>
<script language="javascript">
<!--
function CheckForm()
{
if (document.form.name.value.length == 0) {
alert("璇瘋緭鍏ユ偍濮撳悕!");
document.form.name.focus();
return false;
}
return true;
}
-->
</script>
2.2 姣旇緝涓や釜琛ㄥ崟欏圭殑鍊兼槸鍚︾浉鍚?/p>
<script language="javascript">
<!--
function CheckForm()
if (document.form.PWD.value != document.form.PWD_Again.value) {
alert("鎮ㄤ袱嬈¤緭鍏ョ殑瀵嗙爜涓嶄竴鏍鳳紒璇烽噸鏂拌緭鍏?");
document.ADDUser.PWD.focus();
return false;
}
return true;
}
-->
</script>
2.3 琛ㄥ崟欏瑰彧鑳戒負鏁板瓧鍜?_",鐢ㄤ簬鐢佃瘽/閾惰甯愬彿楠岃瘉涓?鍙墿灞曞埌鍩熷悕娉ㄥ唽絳?/p>
<script language="javascript">
<!--
function isNumber(String)
{
var Letters = "1234567890-"; //鍙互鑷繁澧炲姞鍙緭鍏ュ?br>var i;
var c;
if(String.charAt( 0 )=='-')
return false;
if( String.charAt( String.length - 1 ) == '-' )
return false;
for( i = 0; i < String.length; i ++ )
{
c = String.charAt( i );
if (Letters.indexOf( c ) < 0)
return false;
}
return true;
}
function CheckForm()
{
if(! isNumber(document.form.TEL.value)) {
alert("鎮ㄧ殑鐢佃瘽鍙風爜涓嶅悎娉曪紒");
document.form.TEL.focus();
return false;
}
return true;
}
-->
</script>
2.4 琛ㄥ崟欏硅緭鍏ユ暟鍊?闀垮害闄愬畾
<script language="javascript">
<!--
function CheckForm()
{
if (document.form.count.value > 100 || document.form.count.value < 1)
{
alert("杈撳叆鏁板間笉鑳藉皬浜庨浂澶т簬100!");
document.form.count.focus();
return false;
}
if (document.form.MESSAGE.value.length<10)
{
alert("杈撳叆鏂囧瓧灝忎簬10!");
document.form.MESSAGE.focus();
return false;
}
return true;
}
//-->
</script>
2.5 涓枃/鑻辨枃/鏁板瓧/閭歡鍦板潃鍚堟硶鎬у垽鏂?/p>
<SCRIPT LANGUAGE="javascript">
<!--
function isEnglish(name) //鑻辨枃鍊兼嫻?br>{
if(name.length == 0)
return false;
for(i = 0; i < name.length; i++) {
if(name.charCodeAt(i) > 128)
return false;
}
return true;
}
function isChinese(name) //涓枃鍊兼嫻?br>{
if(name.length == 0)
return false;
for(i = 0; i < name.length; i++) {
if(name.charCodeAt(i) > 128)
return true;
}
return false;
}
function isMail(name) // E-mail鍊兼嫻?br>{
if(! isEnglish(name))
return false;
i = name.indexOf(" at ");
j = name dot lastIndexOf(" at ");
if(i == -1)
return false;
if(i != j)
return false;
if(i == name dot length)
return false;
return true;
}
function isNumber(name) //鏁板兼嫻?br>{
if(name.length == 0)
return false;
for(i = 0; i < name.length; i++) {
if(name.charAt(i) < "0" || name.charAt(i) > "9")
return false;
}
return true;
}
function CheckForm()
{
if(! isMail(form.Email.value)) {
alert("鎮ㄧ殑鐢靛瓙閭歡涓嶅悎娉曪紒");
form.Email.focus();
return false;
}
if(! isEnglish(form.name.value)) {
alert("鑻辨枃鍚嶄笉鍚堟硶錛?);
form.name.focus();
return false;
}
if(! isChinese(form.cnname.value)) {
alert("涓枃鍚嶄笉鍚堟硶錛?);
form.cnname.focus();
return false;
}
if(! isNumber(form.PublicZipCode.value)) {
alert("閭斂緙栫爜涓嶅悎娉曪紒");
form.PublicZipCode.focus();
return false;
}
return true;
}
//-->
</SCRIPT>
2.6 闄愬畾琛ㄥ崟欏逛笉鑳借緭鍏ョ殑瀛楃
<script language="javascript">
<!--
function contain(str,charset)// 瀛楃涓插寘鍚祴璇曞嚱鏁?br>{
var i;
for(i=0;i<charset.length;i++)
if(str.indexOf(charset.charAt(i))>=0)
return true;
return false;
}
function CheckForm()
{
if ((contain(document.form.NAME.value, "%\(\)><")) || (contain(document.form.MESSAGE.value, "%\(\)><")))
{
alert("杈撳叆浜嗛潪娉曞瓧絎?);
document.form.NAME.focus();
return false;
}
return true;
}
//-->
</script>
]]>