JS inserts/deletes data at the specified position in the array. js Array

JS inserts/deletes data at the specified position in the array. js Array

The splice () method adds/deletes a project to/from the array, and then returns the deleted project.

Syntax

ArrayObject. splice (index, howmany, item1,..., itemX)

Parameter description

Parameters	Description
Index	Required. Integer that specifies the position of the added/deleted project. A negative number can be specified from the end of the array.
Howmany	Required. The number of projects to delete. If it is set to 0, the project will not be deleted.
Item1 ,..., ItemX	Optional. Add a new project to the array.

Instance

Add an element

Var array = [, 6]; array. splice (, 5 );

Result: array is [1, 2, 3, 4, 5, 6].

Delete and replace an element

Var array = [1, 2, 4, 5]; array. splice (2, 1, 2 );

Result: array is [1, 2, 3, 4, 5].

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