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Lodash 有许多易于使用的方法,有助于处理集合。本章详细讨论它们。
Lodash 提供了各种方法来处理集合,如下所示 -
先生。 | 方法和语法 |
---|---|
1 |
_.countBy(集合, [iteratee=_.identity]) |
2 |
_.every(集合, [谓词=_.identity]) |
3 |
_.filter(集合, [谓词=_.identity]) |
4 |
_.find(集合, [谓词=_.identity], [fromIndex=0]) |
5 |
_.findLast(集合, [谓词=_.identity], [fromIndex=collection.length-1]) |
6 |
_.flatMap(集合, [iteratee=_.identity]) |
7 |
_.flatMapDeep(集合, [iteratee=_.identity]) |
8 |
_.flatMapDepth(集合, [iteratee=_.identity], [深度=1]) |
9 |
_.forEach(集合, [iteratee=_.identity]) |
10 |
_.forEachRight(集合, [iteratee=_.identity]) |
11 |
_.groupBy(集合, [iteratee=_.identity]) |
12 |
_.includes(集合, 值, [fromIndex=0]) |
13 |
_.invokeMap(集合、路径、[args]) |
14 |
_.keyBy(集合, [iteratee=_.identity]) |
15 |
_.map(集合, [iteratee=_.identity]) |
16 |
_.orderBy(集合, [iteratees=[_.identity]], [订单]) |
17 号 |
_.partition(集合, [谓词=_.identity]) |
18 |
_.reduce(集合, [iteratee=_.identity], [累加器]) |
19 |
_.reduceRight(集合, [iteratee=_.identity], [累加器]) |
20 |
_.reject(集合, [谓词=_.identity]) |
21 |
_。样品采集) |
22 |
_.sampleSize(集合,[n=1]) |
23 |
_.shuffle(集合) |
24 |
_.size(集合) |
25 |
_.some(集合, [谓词=_.identity]) |
26 |
_.sortBy(集合, [iteratees=[_.identity]]) |