//是否有效的Email
function checkEmail(str){
view_email=document.getElementById("view_email");
if (document.mytest.email.value.length==0){
alert ("请输入邮箱地址!");
document.mytest.email.focus();
return false;
}else {
//var str=document.mytest.email.value;
var pattern =/ ^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$ /;
if(pattern.test(str)){
view_email.innerHTML="√";
return true;
}else{
view_email.innerHTML="请输入正确的邮箱地址!";
return false;
}
}
return true;
}<form name="mytest"> 邮 箱:
<input type="text" name="email" value="" onblur="checkEmail()"/>
<c>*</c> <d><span id="view_email"></span></d></form>
写了如上的判断代码,输入如[email protected]邮箱地址,没有输出√,想请大家帮我看看哪里出了问题?
function checkEmail(str){
view_email=document.getElementById("view_email");
if (document.mytest.email.value.length==0){
alert ("请输入邮箱地址!");
document.mytest.email.focus();
return false;
}else {
//var str=document.mytest.email.value;
var pattern =/ ^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$ /;
if(pattern.test(str)){
view_email.innerHTML="√";
return true;
}else{
view_email.innerHTML="请输入正确的邮箱地址!";
return false;
}
}
return true;
}<form name="mytest"> 邮 箱:
<input type="text" name="email" value="" onblur="checkEmail()"/>
<c>*</c> <d><span id="view_email"></span></d></form>
写了如上的判断代码,输入如[email protected]邮箱地址,没有输出√,想请大家帮我看看哪里出了问题?
<input type="text" name="email" value="" onblur="checkEmail(this.value)"/><!--忘记传值-->
另外那个pattern中首尾有空格,去掉,这样你试试//是否有效的Email
function checkEmail(){
view_email=document.getElementById("view_email");
if (document.mytest.email.value.length==0){
alert ("请输入邮箱地址!");
document.mytest.email.focus();
return false;
}else {
var str=document.mytest.email.value;
var pattern =/^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/;
if(pattern.test(str)){
view_email.innerHTML="√";
return true;
}else{
view_email.innerHTML="请输入正确的邮箱地址!";return false;
}
}
return true;
}