Lodash - Array

Quiz

Lodash has many easy to use methods which helps in processing Arrays. This chapter discusses them in detail.

Lodash provides various methods to process the Arrays as listed below −

Sr.No.	Method & Syntax
1	chunk _.chunk(array, [size=1])
2	compact _.compact(array)
3	concat _.concat(array, [values])
4	difference _.difference(array, [values])
5	differenceBy _.differenceBy(array, [values], [iteratee=_.identity])
6	differenceWith _.differenceWith(array, [values], [comparator])
7	drop _.drop(array, [n=1])
8	dropRight _.dropRight(array, [n=1])
9	dropRightWhile _.dropRightWhile(array, [predicate=_.identity])
10	dropWhile _.dropWhile(array, [predicate=_.identity])
11	fill _.fill(array, value, [start=0], [end=array.length])
12	findIndex _.findIndex(array, [predicate=_.identity], [fromIndex=0])
13	findLastIndex _.findLastIndex(array, [predicate=_.identity], [fromIndex=array.length-1])
14	flatten _.flatten(array)
15	flattenDeep _.flattenDeep(array)
16	flattenDepth _.flattenDepth(array, [depth=1])
17	fromPairs _.fromPairs(pairs)
18	head _.head(array)
19	indexOf _.indexOf(array, value, [fromIndex=0])
20	initial _.initial(array)
21	intersection _.intersection([arrays])
22	intersectionBy _.intersectionBy([arrays], [iteratee=_.identity])
23	intersectionWith _.intersectionWith([arrays], [comparator])
24	join _.join(array, [separator=','])
25	last _.last(array)
26	lastIndexOf _.lastIndexOf(array, value, [fromIndex=array.length-1])
27	nth _.nth(array, [n=0])
28	pull _.pull(array, [values])
29	pullAll _.pullAll(array, values)
30	pullAllBy _.pullAllBy(array, values, [iteratee=_.identity])
31	pullAllWith _.pullAllWith(array, values, [comparator])
32	pullAt _.pullAt(array, [indexes])
33	remove _.remove(array, [predicate=_.identity])
34	reverse _.reverse(array)
35	slice _.slice(array, [start=0], [end=array.length])
36	sortedIndex _.sortedIndex(array, value)
37	sortedIndexBy _.sortedIndexBy(array, value, [iteratee=_.identity])
38	sortedIndexOf _.sortedIndexOf(array, value)
39	sortedLastIndex _.sortedLastIndex(array, value)
40	sortedLastIndexBy _.sortedLastIndexBy(array, value, [iteratee=_.identity])
41	sortedLastIndexOf _.sortedLastIndexOf(array, value)
42	sortedUniq _.sortedUniq(array)
43	sortedUniqBy _.sortedUniqBy(array, [iteratee])
44	tail _.tail(array)
45	take _.take(array, [n=1])
46	takeRight _.takeRight(array, [n=1])
47	takeRightWhile _.takeRightWhile(array, [predicate=_.identity])
48	takeWhile _.takeWhile(array, [predicate=_.identity])
49	union _.union([arrays])
50	unionBy _.unionBy([arrays], [iteratee=_.identity])
51	unionWith _.unionWith([arrays], [comparator])
52	uniq _.uniq(array)
53	uniqBy _.uniqBy(array, [iteratee=_.identity])
54	uniqWith _.uniqWith(array, [comparator])
55	unzip _.unzip(array)
56	unzipwith _.unzipWith(array, [iteratee=_.identity])
57	without _.without(array, [values])
58	xor _.xor([arrays])
59	xorBy _.xorBy([arrays], [iteratee=_.identity])
60	xorWith _.xorWith([arrays], [comparator])
61	zip _.zip([arrays])
62	zipObject _.zipObject([props=[]], [values=[]])
63	zipObjectDeep _.zipObjectDeep([props=[]], [values=[]])
64	zipWith _.zipWith([arrays], [iteratee=_.identity])

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