npm install sum-componentSum utility
$ component install component/sum
Sum an array of numbers:
``js`
sum([1,2,3,4,5]);
Sum properties with callback:
`js`
var sum = sum(users, function(user){
return user.age;
});
Sum properties in string:
`js``
sum(users, 'age');
sum(repos, 'stats.watchers');
MIT