IE8 is subtracting wrong in JavaScript / jQuery?

Posted by Oscar Godson on Stack Overflow See other posts from Stack Overflow or by Oscar Godson
Published on 2010-04-09T23:10:36Z Indexed on 2010/04/09 23:13 UTC
Read the original article Hit count: 345

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In every browser, Win/Mac, Chrome, Safari, Firefox, Opera, IE6, and IE7 they ALL get the following console output:

352

254

But in IE8 I get:

414

434

454

474

Here is my JS/jQuery code:

$('#top-breadcrumbs').children('a').each(function(i){
    if(!$(this).hasClass('permanent')){
        if(permItemWidth+rmItemWidth > $('#top-breadcrumbs').width()){
            $(this).addClass('removed');
            rmItemWidth = rmItemWidth-$(this).width()+20;
        }
    }
});

The log code i have above is writing the NEW rmItemWidth value after its been reset in that 2nd if

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