bootstrap-wizard: Force HTML5 validation between steps (core in onNext and onFinish settings)

bootstrap-wizard-html5-validation.js

$('#bootstrap-wizard').bootstrapWizard({
        'tabClass': 'nav nav-pills',
        'nextSelector': '.btn-next',
        'previousSelector': '.btn-previous',
        'finishSelector' : '.btn-finish',
         onInit : function(tab, navigation,index){

           //check number of tabs and fill the entire row
           var $total = navigation.find('li').length;
           $width = 100/$total;

           $display_width = $(document).width();

           if($display_width < 400 && $total > 3){
               $width = 50;
           }
           navigation.find('li').css('width',$width + '%');
        },
         onTabClick : function(tab, navigation, index){
            // Disable the posibility to click on tabs
            return false;
        },
        onTabShow: function(tab, navigation, index) {
            var $total = navigation.find('li').length;
            var $current = index+1;

            var wizard = navigation.closest('.wizard-card');

            // If it's the last tab then hide the last button and show the finish instead
            if($current >= $total) {
                $(wizard).find('.btn-next').hide();
                $(wizard).find('.btn-finish').show();
            } else {
                $(wizard).find('.btn-next').show();
                $(wizard).find('.btn-finish').hide();
            }
        },
        onNext: function(tab, navigation, index) {
            if (index == 1) {
              try {
                $('#step-1 *').filter(':input').each(function(){
                    if (!this.checkValidity()) {
                        this.reportValidity();
                        throw BreakException;
                    }
                });
              } catch (e) {
                  if (e!==BreakException) {
                      throw e;
                  } else {
                    return false;
                  }
              }
            } else if (index == 2) {
              try {
                $('#step-2 *').filter(':input').each(function(){
                    if (!this.checkValidity()) {
                        this.reportValidity();
                        throw BreakException;
                    }
                });
              } catch (e) {
                  if (e!==BreakException) {
                      throw e;
                  } else {
                    return false;
                  }
              }
            }
        },
        onFinish : function(tab, navigation, index) {
          try {
              $('#final-step *').filter(':input').each(function(){
                  if (!this.checkValidity()) {
                      this.reportValidity();
                      throw BreakException;
                  }
              });
          } catch (e) {
              if (e!==BreakException) {
                  throw e;
              } else {
                return false;
              }
          }
          
          //Now submit the form and perform additional steps. We've passed validations...

        }

        
    });