Question

123

rated 0 times [ 128] [ 5] / answers: 1 / hits: 62583 / 8 Years ago, sun, april 17, 2016, 12:00:00

I have the following array of objects:

var array = [ {'a': '12', 'b':'10'}, {'a': '20', 'b':'22'} ];

How can I add a new property c = b - a to all objects of the array?

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answered 8 Years ago cherish · Accepted Answer

Use forEach function:

var array = [{ 'a': '12', 'b': '10' }, { 'a': '20', 'b': '22' }];



array.forEach(e => e.c = +e.b - +e.a);

   

console.log(JSON.stringify(array));