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I have an HTML table with number values. What I need to do is to get all these values and add them together using jQuery. Any ideas? Example table: http://pastie.org/998759 You can call .each : var sum = 0; $('table td').each(function() { sum += parseFloat($(this).text()); }); I'm going to give you some pseudo-code of how I would do it (mainly because I can't be stuffed writing the whole thing). Create an object/array/variables to store the totals. jQuery select the table Use .each() to loop through each tr . Loop each td and add the value to the relevant total. Once all of the tr have been

I've got a table where some parts of a car are related hierarchically and I also have the cost of manufacturing those parts in each one of the rows. This is a simplification of the table: parentId Id description qty manufacturingCost costDescripcion -------- --- ----------- --- ----------------- --------------- NULL 1 Car 1 100 Assembly the car NULL 2 Motorcycle 1 100 Assembly the motrocycle 1 11 Wheel 4 20 Assembly the wheel 11 111 Rim 1 50 Manufacture the rim 11 112 Tire 1 60 Manufacture the tire 1 12 Door+Window 4 30 Assembly the door and the window 12 121 Door 1 30 Manufacture the door 12

I have this code: var NToDel:NSArray = [] var addInNToDelArray = "Test1 \ Test2" How to add addInNToDelArray in NToDel:NSArray ? You can't - NSArray is an immutable array, and as such once instantiated it cannot be changed. You should turn it into a NSMutableArray , and in that case it's as simple as: NToDel.addObject(addInNToDelArray) Alternatively, you can insert the value at instantiation time: var NToDel:NSMutableArray = [addInNToDelArray] but that's not about adding, it's about initializing - and in fact, after that line you cannot do any change to the array elements. Note that there's an