array.prepend()

Prepend an element to an Array.

Signature

prepend(element Any) => Array<T>

Description

The prepend() method prepends an element to the Array instance.

The source Array isn’t changed.

Parameters

Parameter Type Required Description

element

Any

Yes

Element to prepend to the Array.

Return value

Type Description

Array

Array with element prepended.

Examples

[2, 3].prepend(1)
[
  1,
  2,
  3
]

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