Seçiciler $(“i[data-inx=’1′]”); $(‘*[data-customerID=”22″]’); $(‘[data-test~=”foo”]’); input[type=checkbox] input[type=checkbox]:checked input[type=checkbox]:not(:checked) input[type=text] $(‘<input>’).is(‘:text’); $(“:input[type=text][readonly=’readonly’]”).val(“”); $(“:input[type=text]:not([readonly=’readonly’])”).val(“”); Extend var object = $(‘formPost’).serializeArray(); var object2 = {prc: ‘show_document’}; $.extend( object, object2 ); JSON.stringify( object ); For var [ … ]