参考下面的两个自己写吧:
function checkUsername (strng) {
var error = "";
if (strng == "password") {
error = "You didn't enter a username.\n";
}function checkPassword (strng) {
var error = "";
if (strng == "") {
error = "You didn't enter a password.\n";
}
var illegalChars = /[\W_]/; // allow only letters and numbers
if ((strng.length < 6) || (strng.length > 8)) {
error = "The password is the wrong length.\n";
}
else if (illegalChars.test(strng)) {
error = "The password contains illegal characters.\n";
}
function checkUsername (strng) {
var error = "";
if (strng == "password") {
error = "You didn't enter a username.\n";
}function checkPassword (strng) {
var error = "";
if (strng == "") {
error = "You didn't enter a password.\n";
}
var illegalChars = /[\W_]/; // allow only letters and numbers
if ((strng.length < 6) || (strng.length > 8)) {
error = "The password is the wrong length.\n";
}
else if (illegalChars.test(strng)) {
error = "The password contains illegal characters.\n";
}
解决方案 »
- 关于tomcat上传文件的删除问题
- 请问怎么在MyEclipse中配置websphere服务器
- 求教web数据库操作问题
- JS级联问题
- 请高手解决将浏览器窗口强制执行在1024*768像素的问题
- 关于ActiveX控件的使用
- 当下拉框定义成 disabled 后,就取不到下拉框里面的值了,请问大家有什么别的方法,在javabean里取值
- 请问有什么学习struts的好书?谢谢
- 装jbuilder7后怎么jswdk用不成了?还有jbuilder怎么调试下载的例子?分子有的是
- wsdl文件报错,返回自定义复杂类型对象,type报错
- 请问:如何在<logic:iterate中正确使用的offset?
- 这是什么意思呀?
function check_str(num)
{
var v_test="0123456789abcdefghijklmnopqrstuvwxyz"; for (i=0;i<num.length;i++)
{
if (v_test.indexOf(num.charAt(i))==-1)
{
return false;
}
}
return true;
}