underscore.js - How to add new elements to the object of an array on javascript -

i have var arr = [{name:"joe"}, {name:"mark"}]; have age array var agearr = [{age: 24}, {age: 30}]

i need programatically add together respective age of objects

my array need looks var arr = [{name:"joe", age: 24}, {name:"mark", age: 30}];

i using javascript , included library underscore.js.

is there cleaner way accomplish this. 1 help code snippet this.

you can

var newarr = arr.map(function(v, i) { homecoming _.extend(v, agearr[i]); });

if don't using free variable agearr , access index - zip them first:

var newarr = _.zip(arr, agearr).map(function(v) { homecoming _.extend(v[0], v[1]); });

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