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JSFiddle - React, Tailwind, and code Playground

CoffeeScript

p1 = {name:'Anna', birthYear: 1990, birthPlace: 'Alaska', gender: 'female', hasCar: true, hasChildren: false}
p2 = {name:'John', birthYear: 1990, birthPlace: 'Alaska', gender: 'male', hasCar: true, hasChildren: false}
p3 = {name:'Dora', birthYear: 1980, birthPlace: 'Hawaii', gender: 'female', hasCar: true, hasChildren: true}
p4 = {name:'Lumi', birthYear: 1980, birthPlace: 'Hawaii', gender: 'female', hasCar: false, hasChildren: false}
p5 = {name:'Jack', birthYear: 1990, birthPlace: 'Alaska', gender: 'male', hasCar: false, hasChildren: false}

people = [p1, p2, p3, p4, p5]

groups = _.groupBy(people, (x) -> '' + x.birthYear + x.birthPlace + x.gender)

console.log groups

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