javascript - How to assign speed parameter to callback functions -

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i've been trying figure out how assign speed callback function, couldn't.

in program.

html:

<button type="button" id="trigger">try</button> <div id="box"></div> <div id="bottom"></div>

css:

body { position: absolute; background-color: white; height: 1000%; } #box { position: absolute; height: 300px; width: 400px; top: 100px; left: 0px; margin: 0px; padding: 0px; border-color: black; background-color: black; opacity: 0; } #bottom { position: absolute; bottom: 0px; height: 100px; width: 100%; background-color: black; }

js:

$(document).ready(function () {     $("#trigger").click(function () {         var ele = document.getelementbyid('bottom');         var pos = ele.getboundingclientrect();         var x = pos.left;         var y = pos.top;         $("#box").animate({             left: "100px",             opacity: "1"         }, "slow", function () {             window.scrollto(x, y);         }, "slow");     }); });

on removing speed callback, works no success. how assign speed it, in advance.

fiddle: http://jsfiddle.net/9c8kr/

you've added speed 2 times, last 1 not valid.
if want animate scrolling, so

$(document).ready(function () {     $("#trigger").click(function () {         var ele = document.getelementbyid('bottom');         var pos = ele.getboundingclientrect();         var x   = pos.left;         var y   = pos.top;         $("#box").animate({             left: "100px",             opacity: "1"         }, "slow", function () {             $('html, body').animate({                 scrollleft : x,                 scrolltop  : y             }, 'slow');         });     }); });

fiddle


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