How can i get default font size in pixels by using JavaScript or JQuery?

Question

As you know em is a relative font measurement where one em is equal to the height of the letter \"M\" in the default font size. An advantage in using it is because you will be a

Answer 1

Using jQuery (assuming that you want the font size of a specific element):

var originalFontSize = $('#your_element_id_here').css('font-size');

If you're using Prototype as well as jQuery, you'll want to use the jQuery prefix instead of the dollar sign:

var originalFontSize = jQuery('#your_element_id_here').css('font-size');

This will return the value as a string like so: 16px.