Check out this link: JSFIDDLE
$('.main-menu').addClass('fixed');
Why does the fixed element flicker when the fixed class is applied?
Check out this link: JSFIDDLE
$('.main-menu').addClass('fixed');
Why does the fixed element flicker when the fixed class is applied?
Instead of constantly adding and removing the fixed CSS attribute every time you scroll, consider storing it in a variable on page load and comparing against that variable for efficiency.
JSFiddle: http://jsfiddle.net/k82hmj9s/3/
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