Javascript, CSS: Want to resize a multiple select filter dynamically.

I have a table cell which displays some previously selected data. When a user clicks on it, a multi-select dropdown appears in the cell instead. Currently the dropdown has size="5". Sometimes, the table cell can be pretty long (y-axis) if there was a lot of data and it looks weird to have a relatively small multi-select dropdown and a lot of empty space below in the rest of the cell.
Is there a way to dynamically resize the dropdown to fit the cell? I can retrieve the cell height. But adding that height to the select element did not make a difference.

        inputElement = $('<select id="mySelect" style="display:none;" height="'+currentHeight+'" size="5" multiple="multiple" ></select>').appendTo(element)[0];

This works for the case when the cell had a lot of data :
But it didn't work if the cell had no data because then the dropdown would just show 1 option.
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renisenbbAuthor Commented:
I think the select element's size attribute refers to how many options to show at a time but the height is in terms of pixels. Is there a way to compare the 2?
Do you have an online version?
renisenbbAuthor Commented:
No, i don't. I'm trying to correlate the select element's size attribute and the td element's auto height attribute.
When there is a lot of data, the td element keeps wrapping the text and so the cell keeps growing in height.
Currently i have fixed the select element's size but i was wondering if i could tie the size to the dynamic cell height.
The height is in pixels, but the size is an integer (no of options).
I think you dont need to set height....tables will generally increase height upon content.
instead you can set a max-height: value in px; to select box to set maximum possible height of menu container in table.

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