javascript - Contact the Field button when there are two buttons -

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i have problem. want build home page 2 fields: username , password, , click ok button. under button, there button clicking on sign how associate fields of existing user button , not button of registration?

<fieldset>     <legend>login details</legend>         <div class="form-group ">             <label for="username">user name:</label>             <input type="text" name="username" class="form-control requiredfield signin" id="username">         </div>         <div class="form-group">             <label for="password">password:</label>             <input type="password" name="password" class="form-control requiredfield signin" id="password">         </div>         <div class="form-group">             <button type="submit" class="btn btn-default butt" name="submitbutton" value="signin">ok</button>         </div>       </fieldset>     <fieldset>     <legend>sign in</legend>         <div class="form-group">             <label for="password">account number:</label>             <input type="password" name="account" class="form-control requiredfield regi" id="account">         </div>         <div class="form-group">             <button type="submit" class="btn btn-default butt" name="submitbutton" value="regi">registration</button>         </div>

$(document).ready(function(){

//function registration_submit(){

$("form").submit(function(){     $(".error").remove();     var haserror = false;      if (request.form("submitbutton":("signin"){     $(this).each(function(){         if(jquery.trim($(this).val()) == ''){             haserror = true;             var labeltext = $(this).prev("label").text();             var n = labeltext.lastindexof(":");             labeltext = labeltext.slice(0,n);             $(this).parent().append('<span class="error"> must fill ' + labeltext + '</span>');             console.log('the value of haserror is' + haserror);             }          });      }     else{     $(".regi").each(function(){         if(jquery.trim($(this).val()) == ''){             haserror = true;             $(this).parent().append('<span class="error">you must fill account number</span>');             console.log('the value of haserror is' + haserror);         }                });     }      if(!haserror){         $(this).submit();     }      return false; });

});


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