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tvalentius/reduce.js

Created June 16, 2018 13:09
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reduce.js
var bali = [
{ regency:'Jembrana', population:114863 },
{ regency:'Tabanan', population:209308 },
{ regency:'Badung', population:277536 },
{ regency:'Gianyar', population:208443 },
{ regency:'Klungkung', population:79233 },
{ regency:'Bangli', population:106166 },
{ regency:'Karangasem', population:193787 },
{ regency:'Buleleng', population:294418 },
{ regency:'Denpasar', population:403292 }
];
var sum = bali.reduce(function(val, element) {
return val + element.population;
}, 0);
console.log(sum) // 1887046
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