TypeScript Array splice() Method

The Array.splice() is an inbuilt TypeScript function which is used to change the content of an array, adding new elements while removing old elements.
Syntax:

array.splice(index, howMany, [element1][, ..., elementN]); 

Parameter: This method accept three parameter as mentioned above and described below: 

• index : This parameter is the index at which to start changing the array.
• howMany : This parameter is the integer indicating the number of old array elements to remove.
• element1, …, elementN : This parameter is the elements to add to the array.

Return Value: This method returns the extracted array. 
Below example illustrate the  Array splice() method in TypeScriptJS:
Example 1:

JavaScript

<script>
    // Driver code
    var arr = [ 11, 89, 23, 7, 98 ];

    // use of splice() method
    var removed = arr.splice(2, 0, 11);

    // printing
    console.log(removed);
</script>

Output:

[]

Example 2:

JavaScript

<script>
    // Driver code
    var arr = ["G", "e", "e", "k", "s", "f", "o",
               "r", "g", "e", "e", "k", "s"];
    var val;

    // use of splice() method
    val = arr.splice(0,5);
    console.log( val );
    console.log( arr );
</script>

Output:

[ 'G', 'e', 'e', 'k', 's' ]
[ 'f', 'o', 'r', 'g', 'e', 'e', 'k', 's' ]