$('.wizard-step').each(function(k,v) {
var classToAdd = 'tab-pane fade';
// if there are no active wizards, make the first active
if (!$('.wizard-step.active').length && k === 0) {
$(v).addClass('active');
}
$(v).prop('id', 'wizard-step-' + (k+1)).addClass(classToAdd).attr('data-step', (k+1));
});
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