jQuery: count number of rows in a table

Use a selector that will select all the rows and take the length.

var rowCount = $('#myTable tr').length;

Note: this approach also counts all trs of every nested table!

If you use <tbody> or <tfoot> in your table, you'll have to use the following syntax or you'll get a incorrect value:

var rowCount = $('#myTable >tbody >tr').length;

Alternatively...

var rowCount = $('table#myTable tr:last').index() + 1;

jsFiddle DEMO

This will ensure that any nested table-rows are not also counted.

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