array.entries()

Add the index to every Array element.

Signature

entries() => Array<[number, T]>

Description

The entries() method adds the index to every Array element, creating an Array of each index:element pair.

The source Array isn’t changed.

Parameters

None

Return value

Type Description

Array

List of Arrays of index:element pairs for each element of the source Array.

Examples

['a', 'b', 'c'].entries()
[
  [
    0,
    "a"
  ],
  [
    1,
    "b"
  ],
  [
    2,
    "c"
  ]
]

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