$.fn.notEmptyserializeJson = function () { var o = {}; var a = this.serializeArray(); $.each(a, function () { if (o[this.name]) { o[this.name] = o[this.name] + ',' + this.value || ''; } else { o[this.name] = this.value || ''; } }); var $radio = $('input[type=radio],input[type=checkbox]',this); $.each($radio,function(){ if(!o.hasOwnProperty(this.name)){ o[this.name] = ''; } }); return JSON.stringify(o); };