c# - jQuery animate is very slow in both IE and Firefox -

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i using jquery animate() function show small text becoming larger , larger, until disappear.

i have jquery code here:

function gain() { /* using multiple unit types within 1 animation. */ $("#block").animate({     width: "80%",     opacity: 0.0,     marginleft: "2.6in",     fontsize: "15em",     borderwidth: "10px" }, 2000, function () {     $("#block").removeattr("style");     $("#block").html("");     $("#block").css("color", "white");     $("#block").css("position", "absolute");     $("#block").css("z-index", "-5");  });

}

the code use fire function:

    string script = "$('#block').html('yes!<br/>" + xpreward.tostring() + "xp!');";     scriptmanager.registerstartupscript(buttonlistupdate, typeof(string), "startup",                                                     "xpgain(); " + script, true);

this code run everytime select option in radiobuttonlist (asp.net).

now, have issue:

  • chrome - works
  • safari - works
  • iphone browser - works ok
  • internet explorer - horrible
  • firefox - great, other times horrible

i ignore internet explorer, have large market share, have deal issue.

you can try animation yourself

  1. go http://www.gamelearner.com
  2. click large "play now" button
  3. click "play right away"
  4. answer question correctly. first question might take ~5-10s

so question is....

how make work in internet explorer? right horrible. don't expect work good, "playable" awesome...

thanks lot! lars

just thought - you're using %, em, px , in units of measurement. perhaps if standardised on 1 measurement unit, things might work faster. don't know though, having guess.

also in function runs when animation's complete, chain actions on $('#block') element, e.g. 

$("#block").removeattr("style").html("").css("color", "white").css("position", "absolute").css("z-index", "-5");

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