Question

I have a table. The table has some set of rows, each set containing 3 specific rows, and repeated downwards.

I want to have a variable i which should be incremented for each row (<tr>) having class="nm" or for each cell (<td>) having class="zxcv". The incremented result value i may be alerted finally.

How can I do this using JavaScript with / without jQuery?

You can see my JS Fiddle here.

Answer 1

If you just want to get a count of <tr class="nm"> and <td class="zxcv">, using jQuery, do this:

alert($('tr.nm, td.zxcv').length);

EDIT:

To loop through each element, do this:

$('tr.nm, td.zxcv').each(function(index, elem) { /* do something */ });