Lodash Collection has many easy-to-use methods which help in processing Collections. This chapter discusses them in detail.
Lodash provides various methods to process the Collections as listed below −
| Sr.No. | Method & Syntax |
|---|---|
| 1 | countBy_.countBy(collection, [iteratee=_.identity]) |
| 2 | every_.every(collection, [predicate=_.identity]) |
| 3 | filter_.filter(collection, [predicate=_.identity]) |
| 4 | find_.find(collection, [predicate=_.identity], [fromIndex=0]) |
| 5 | findLast_.findLast(collection, [predicate=_.identity], [fromIndex=collection.length-1]) |
| 6 | flatMap_.flatMap(collection, [iteratee=_.identity]) |
| 7 | flatMapDeep_.flatMapDeep(collection, [iteratee=_.identity]) |
| 8 | flatMapDepth_.flatMapDepth(collection, [iteratee=_.identity], [depth=1]) |
| 9 | forEach_.forEach(collection, [iteratee=_.identity]) |
| 10 | forEachRight_.forEachRight(collection, [iteratee=_.identity]) |
| 11 | groupBy_.groupBy(collection, [iteratee=_.identity]) |
| 12 | includes_.includes(collection, value, [fromIndex=0]) |
| 13 | invokeMap_.invokeMap(collection, path, [args]) |
| 14 | keyBy_.keyBy(collection, [iteratee=_.identity]) |
| 15 | map_.map(collection, [iteratee=_.identity]) |
| 16 | orderBy_.orderBy(collection, [iteratees=[_.identity]], [orders]) |
| 17 | partition_.partition(collection, [predicate=_.identity]) |
| 18 | reduce_.reduce(collection, [iteratee=_.identity], [accumulator]) |
| 19 | reduceRight_.reduceRight(collection, [iteratee=_.identity], [accumulator]) |
| 20 | reject_.reject(collection, [predicate=_.identity]) |
| 21 | sample_.sample(collection) |
| 22 | sampleSize_.sampleSize(collection, [n=1]) |
| 23 | shuffle_.shuffle(collection) |
| 24 | size_.size(collection) |
| 25 | some_.some(collection, [predicate=_.identity]) |
| 26 | sortBy_.sortBy(collection, [iteratees=[_.identity]]) |
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