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Add property to object
//nodejs v4.2.6 var points = [ { id: 1, a: 0, b: 3 }, { id: 2, a: 4, b: -1 }, { id: 3, a: -1, b: 5 }, { id: 4, a: 41, b: 2 }, { id: 5, a: 69, b: 3 }, ] for(var index in points){ var a = points[index].a; var b = points[index].b; Object.assign(points[index], {d: a+b}); } console.log(points);
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myfirstmodule.js
find all prime factors of a number
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