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June 25, 2019 11:10
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<!doctype html> | |
<html lang="en"> | |
<head> | |
<meta charset="UTF-8"> | |
<meta name="viewport" | |
content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"> | |
<meta http-equiv="X-UA-Compatible" content="ie=edge"> | |
<title>10 Funções imperdíveis do lodash</title> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.11/lodash.min.js"></script> | |
</head> | |
<body> | |
<input type="text" id="search"> | |
<script type="text/javascript"> | |
// _.assign() | |
var movie = { name: 'Game of Thrones' }; | |
var result = _.assign({ ticket_price: '$20', season: 8 }, movie); | |
console.log(result); | |
//_.times() | |
function number() { | |
return Math.random() * 100; | |
} | |
var result = _.times(5, number); | |
console.log(result); | |
//_.debounce() | |
function search() { | |
// chamada ajax | |
console.log('Searching ...'); | |
} | |
var inputSearch = document.getElementById('search'); | |
inputSearch.addEventListener('keyup', _.debounce(search, 800)); | |
//_.find() | |
var users = [ | |
{ name: 'Tiago Matos', age: 20, gender: 'male' }, | |
{ name: 'Jon Snow', age: 18, gender: 'male' }, | |
{ name: 'Wonder woman', age: 22, gender: 'female' }, | |
{ name: 'Tiago Matos', age: 20, gender: 'male' }, | |
{ name: 'Jon Snow', age: 18, gender: 'male' }, | |
{ name: 'Wonder woman', age: 22, gender: 'female' }, | |
{ name: 'Tiago Matos', age: 20, gender: 'male' }, | |
{ name: 'Jon Snow', age: 18, gender: 'male' }, | |
{ name: 'Wonder woman', age: 22, gender: 'female' }, | |
]; | |
var result = _.find(users, o => o.name === 'Tiago Matos'); | |
console.log(result); | |
//_.filter() | |
var result = _.filter(users, o => o.age >= 20); | |
console.log(result); | |
//_.forEach() | |
var wonderWoman = { name: 'Wonder woman', age: 22, gender: 'female' }; | |
_.forEach(wonderWoman, o => { | |
console.log(o); | |
}); | |
//_.map() | |
var result = _.map(users, 'name'); | |
console.log(result); | |
//_.first() | |
var result = _.first(users); | |
console.log(result); | |
//_.last() | |
var result = _.last(users); | |
console.log(result); | |
//_.chunk() | |
var result = _.chunk(users, 2); | |
console.log(result); | |
</script> | |
</body> | |
</html> |
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