performance - JQuery animate slower every call -


i have modal box open jquery. when close buttons called, modal box closed. works fine, more open , close modal box, longer takes modal box close:

window.closemodal = function () {     modal = $("div.modal-overlay");     windowheight = $(window).height();     // until here performance     modal.animate({top: windowheight, }, 800, function () {         // problem          modal.hide();         $("body").css("overflow-y", "scroll");     }); }

i have put console logs on every line, , executed instantly until hit modal.animate function. every time open modal, , press close button, takes more time until modal.animate starts executing.

can shed light please.

@edit: have created jsfiddle shows problem.

just press open modal, close modal. 4-5 times see delay become bigger

http://jsfiddle.net/cz54c/

@@edit: strange happens.

although openmodal executed once, iframe.load executed # times modal opened , closed ...

window.openmodal = function (url) {     console.log("open start");     modal = $("div.modal-overlay");     modaliframe = $("div.modal-overlay iframe");     windowheight = $(window).height();     modal.css("bottom", "0");     modaliframe.attr("src", url + "?frame=true");     modaliframe.load(function () {         console.log("open load")         modaliframe.css('height', windowheight);         modal.show().animate({             top: 0,         }, 800, function () {             $("body").css("overflow-y", "hidden");         });     }); }

i think solved problem,

it seems changing iframe url, "load handler gets attached again". every time "load executed', attached. solved using code:

 modaliframe.one('load',function () {});  //instad of  modaliframe.load(function () {});

is practice ?


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