java efficacy password, user name, unique efficacy

Remove the mouse to achieve the input box, immediately prompted to enter the content is available

 

The only well-tested user name

Input box

<p id="p"></p>

<input type="text" name="userName" id="userName">

js

< Script> 
    the userName. The onblur = function () { 

        $. POST ( 
            "/ ADMIN / isName", 
{ username: the userName. Value, AEG: 18 is}, 
 function (Data) { 
 . IF (Data code == "400") { 
 $ ( "# p1"). HTML ( "username is already registered, please re-enter!"). CSS ( "Color", "Red"); 
} the else { 
 $ ( "# p1"). HTML ( " username is available ").! CSS ( " Color ", " Green "); 
} 
}); 
}; 

</ Script>

 

Enter the password twice conformance-tested

Input box

<b id="warning" style="color: red"></b>

<input type="password" name="user.password" id="password">

<input type="password" name="repeatPassword" id="repeatPassword" onblur="check()">

js

<script>

 function check(){
 if(
 document.getElementById("password").value!= document.getElementById("repeatPassword").value
 ) {
 document.getElementById("warning").innerHTML=" 两次密码的输入不一致";
 }else{
 document.getElementById("warning").innerHTML=" ";
 }
 };
</script>

Username and password uniqueness check consistency checking implementation can be common.