Registration process on web sites requires entering password and password confirmation fields.

Here is an example how to validate password and confirm password fields with jQuery.

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HTML code with form to be validated

<form>
    <div>
        <span class="label">User Name</span>
        <input type="text" class="userid" name="userid"/>
    </div>
    <div>
        <span class="label">Password</span>
        <input type="password" class="password" name="password" />
    </div>
    <div>
        <span class="label">Confirm Password</span>
        <input type="password" class="confpass"name="confpass" />
    </div>
    <input id="submit" type="submit" value="Submit">
</form>

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jQuery code for checking values entered into password and confirm password fields:

$(document).ready(function() {
    $('#submit').click(function(event){
    
        data = $('.password').val();
        var len = data.length;
        
        if(len < 1) {
            alert("Password cannot be blank");
            // Prevent form submission
            event.preventDefault();
        }
         
        if($('.password').val() != $('.confpass').val()) {
            alert("Password and Confirm Password don't match");
            // Prevent form submission
            event.preventDefault();
        }
         
    });
});

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