Created
March 27, 2019 21:09
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JS Bin // source https://jsbin.com/mowopaj
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8"> | |
<meta name="viewport" content="width=device-width"> | |
<title>JS Bin</title> | |
</head> | |
<body> | |
<script id="jsbin-javascript"> | |
// Roger Cruz | |
// Estudos sobre programação funcional | |
// Primeiramente demonstrar o conceito dos métodos map(), reduce() e filter() | |
// Dado o Array | |
var data = [ | |
{ | |
name: 'Carlos', | |
age: 16 | |
}, | |
{ | |
name: 'Eduardo', | |
age: 15 | |
}, | |
{ | |
name: 'Renato', | |
age: 24 | |
}, | |
{ | |
name: 'Romulo', | |
age: 20 | |
}, | |
]; | |
var adultos = data.reduce((count, person) => { | |
if ( person.age > 18 ) count+=1; | |
return count; | |
}, 0); | |
var maiores = data.filter((person) => { | |
if ( person.age > 18 ) return person; | |
}) | |
console.log(adultos); | |
console.log(maiores); | |
</script> | |
<script id="jsbin-source-javascript" type="text/javascript"> | |
// Roger Cruz | |
// Estudos sobre programação funcional | |
// Primeiramente demonstrar o conceito dos métodos map(), reduce() e filter() | |
// Dado o Array | |
var data = [ | |
{ | |
name: 'Carlos', | |
age: 16 | |
}, | |
{ | |
name: 'Eduardo', | |
age: 15 | |
}, | |
{ | |
name: 'Renato', | |
age: 24 | |
}, | |
{ | |
name: 'Romulo', | |
age: 20 | |
}, | |
]; | |
var adultos = data.reduce((count, person) => { | |
if ( person.age > 18 ) count+=1; | |
return count; | |
}, 0); | |
var maiores = data.filter((person) => { | |
if ( person.age > 18 ) return person; | |
}) | |
console.log(adultos); | |
console.log(maiores); | |
</script></body> | |
</html> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
// Roger Cruz | |
// Estudos sobre programação funcional | |
// Primeiramente demonstrar o conceito dos métodos map(), reduce() e filter() | |
// Dado o Array | |
var data = [ | |
{ | |
name: 'Carlos', | |
age: 16 | |
}, | |
{ | |
name: 'Eduardo', | |
age: 15 | |
}, | |
{ | |
name: 'Renato', | |
age: 24 | |
}, | |
{ | |
name: 'Romulo', | |
age: 20 | |
}, | |
]; | |
var adultos = data.reduce((count, person) => { | |
if ( person.age > 18 ) count+=1; | |
return count; | |
}, 0); | |
var maiores = data.filter((person) => { | |
if ( person.age > 18 ) return person; | |
}) | |
console.log(adultos); | |
console.log(maiores); |
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