jquery - Trouble hidding div with javascript -


i'm having trouble javascript coding skills below par. trying create simple pop box (which can sort of do) unable close box. have code written, pasted previous work , edited bit, know rough i'm real novice @ js. heres jsfiddle...http://jsfiddle.net/4v4txoxs/2/ thanks 

$('.up').click(function () {     var show = $('.show');      if (show.hasclass('visible')) {         $('.popup').animate({             "opacity": "0"         }, "fast");         $('.popup').animate({             "z-index": "2"         }, "fast");     } else {         $('.popup').animate({             "opacity": "1"         }, "fast");         $('.popup').animate({             "z-index": "5"         }, "fast");     } });

you need show , hide class visible, can achieve using $.fn.toggleclass().

//added line before if block show.toggleclass('visible');

demo


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