網頁前端Javascript套件：Lodash.js - 伊莉討論區

<!DOCTYPE html>
<html>
<head>
<title>Lodash Demo</title>
<meta charset="utf-8">
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.4/lodash.min.js"></script>
<script>
var t1 = _.union([2, 1], [4, 2], [1, 2]);
console.log(t1)
//Array [ 2, 1, 4 ]
var t2 = _.zipObject(['a', 'b'], [1, 2]);
console.log(t2)
//Object { a: 1, b: 2 }
var t3 = _.without([1, 2, 1, 3, 5, 6, 7], 1, 2);
console.log(t3)
//Array [ 3, 5, 6, 7 ]
function square(n) {
return n * n;
}
var t4 = _.map({ 'a': 4, 'b': 8 }, square);
console.log(t4)
//Array [ 16, 64 ]
var t5 = _.shuffle([1, 2, 3, 4]);
console.log(t5)
//Array [ 3, 1, 4, 2 ], 因隨機排序故可能非顯示此組數據
var t6 = _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');
console.log(JSON.stringify(t6))
//[[1,5,7],[1,2,3]]
var users = [
{ 'user': 'fred', 'age': 48 },
{ 'user': 'barney', 'age': 36 },
{ 'user': 'fred', 'age': 42 },
{ 'user': 'barney', 'age': 34 }
];
var t7 = _.sortBy(users, function(o) { return o.age; });
console.log(JSON.stringify(t7))
//[{"user":"barney","age":34},{"user":"barney","age":36},{"user":"fred","age":42},{"user":"fred","age":48}]
var t8 = _.chain({ 'a': 3, 'b': 7, 'c': 3 })
.map(function (v) {
return 'uniq:' + v;
})
.uniq()
.join(', ')
.value();
console.log(t8)
//uniq:3, uniq:7
</script>
</head>
<body>
</body>
</html>

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