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' ]