JavaScript Array splice() method
The JavaScript array splice() method is used to add/remove the elements to/from the existing array. It returns the removed elements from an array. The splice() method also modifies the original array.
Syntax
The splice() method is represented by the following syntax:
Parameter
start – It represents the index from where the method start to extract the elements.
delete – It is optional. It represents the number of elements to be removed.
element1,element2,…,elementn – It is optional. It represent the elements to be inserted.
Return
A new array containing the removed elements.
JavaScript Array splice() method example
Here, we will understand splice() method through various examples.
Example 1
Let’s see an example to add an element to the existing array without removing other elements.
Output:
Monday,Tuesday,Wednesday,Thursday,Friday
Example 2
Let’s see an example to add an element to the existing array while removing other elements.
Output:
Updated array: Monday,Tuesday,Wednesday,Thursday,Friday Removed element: Saturday,Sunday
Example 3
Let’s see an example to add two elements to the existing array while removing one element.
Output:
Updated array: Monday,Tuesday,Wednesday,Thursday,Friday Removed element: Sunday
Example 4
Let’s see an example to remove the elements from the existing array.
Output:
Updated array: Monday,Tuesday Removed element: Saturday,Sunday,Thursday,Friday