firefox - Adding items in DOM with jQuery without browser scrollbar update -

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i adding many <li> <ul> using jquery append method.

when there more <li> browser space can accomodate, expected vertical scrollbar enable scrolling doesn't show @ all.

i have tried in firefox , chrome , effect same.

it sounds have css issue. scrollbars determined css overflow property.

try 

#myul {   overflow:scroll; }

or

#myul {   overflow:auto; }

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