<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="utf-8">
<title>Underscore.js</title>
</head>
<body>
<script src="underscore-min.js"></script>
<script>
(function(){
var x;
x = _.shuffle([2, 8, 10, 3]);
console.log(x);
})();
</script>
</body>
</html>
eachとmap
<script src="underscore-min.js"></script>
<script>
(function(){
/*
_.each([2, 5, 8], function(num)){
console.log(num * 2);
});
*/
var x = _.map([2, 5, 8], function(num){
return num * 2;
});
console.log(x);
})();
</script>
find,filter,contain
<script>
(function(){
var a = [2, 5, 8, 42, 12];
var x;
/*
x = _.find(a, function(num){
return num > 5;
});
*/
/*
x = _.filter(a, function(num){
return num > 5;
});
*/
x = _.contains(a, 10);
console.log(x);
})();
</script>
groupBy, countBy
<script>
(function(){
var a = [1, 2, 5, 8, 42, 12];
var x;
/*
x = _.groupBy(a, function(num){
return num % 3;
})
x = _.countBy(a, function(num){
return num % 2 == 0 ? 'even' : 'odd';
});
*/
x = _.sortBy(a, function(num){
return Math.sin(num);
});
console.log(x);
})();
</script>
