JavaScript - merge two arrays of objects and de-duplicate based on property value

Question

I want to update (replace) the objects in my array with the objects in another array. Each object has the same structure. e.g.

var origArr = [
          


        

Answer 1

Here's a solution using underscore:

var result = _.map(origArr, function(orig){
    return _.extend(orig, _.findWhere(updatingArr, {name: orig.name}));
});