How to get table cell at specified index using jQuery

Question

I know that I can get first or last table cell (e.g. for last row) using jQuery expression like below:

first cell: $(\'#table tr:last td:first\') or las

Answer 1

It's very simple without jQuery, and will work faster and in more browsers:

var table = document.getElementById("table");
var row = table.rows[table.rows.length - 1];
var cell = row.cells[2];