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>
var arr = [ 11, 89, 23, 7, 98 ];
var removed = arr.splice(2, 0, 11);
console.log(removed);
</script>
|
Output:
[]
Example 2:
JavaScript
<script>
var arr = [ "G" , "e" , "e" , "k" , "s" , "f" , "o" ,
"r" , "g" , "e" , "e" , "k" , "s" ];
var val;
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' ]
Last Updated :
03 Jan, 2023
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