javascript - Calculate sum of values -

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I'm trying to get some values ​​in jQuery. I do this 

  var sum = 0; $ ("Total") Text (zodiac + = parsint ($ ("numbers."). Text (), 10));

But that is not making the amount I have tried the following which is not working? 

  var sum = 0; $ ("Total") ParseInt (sum + = parseInt ($ (". Number"). Text (), 10));

How can I calculate this amount?

Demo:

To sum up the values ​​you have to Need to be repeated. Issue element: 

  var sum = 0; $ ('Number'). Each (function () {sum + = parseInt ($. Text (this), 10);}); $ ('Total') text (sum).

Demo:


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