Underscore.JS - 处理集合
Underscore.JS 有许多易于使用的方法，有助于处理集合。本章将详细讨论这些方法。
Underscore.JS 提供了各种方法来处理集合，如下所示 −
| Sr.No. | 方法和语法 |
|---|---|
| 1 | contains
_.contains(list, value, [fromIndex]) |
| 2 | invoke
_.invoke(list, methodName, *arguments) |
| 3 | pluck
_.pluck(list, propertyName) |
| 4 | max
_.max(list, [iteratee], [context]) |
| 5 | min
_.min(list, [iteratee], [context]) |
| 6 | sortBy
_.sortBy(list, iteratee, [context]) |
| 7 | groupBy
_.groupBy(list, iteratee, [context]) |
| 8 | indexBy
_.indexBy(list, iteratee, [context]) |
| 9 | countBy
_.countBy(list, iteratee, [context]) |
| 10 | shuffle
_.shuffle(list) |
| 11 | sample
_.sample(list, [n]) |
| 12 | toArray
_.toArray(list) |
| 13 | size
_.size(list) |
| 14 | partition
_.partition(list, predicate) |
| 15 | compact
_.compact(list) |
