The Array.concat() is an inbuilt TypeScript function which is used to merge two or more arrays together.
Syntax:
array.concat(value1, value2, ..., valueN)
Parameter: This method accepts a single parameter multiple time as mentioned above and described below:
- valueN : These parameters are arrays and/or values to concatenate.
Return Value: This method returns the new array.
Below examples illustrate the Array concat() method in TypeScript
Example 1:
JavaScript
<script> // Driver code var num1 = [11, 12, 13]; var num2 = [14, 15, 16]; var num3 = [17, 18, 19]; // use of String concat() Method console.log(num1.concat(num2, num3)); </script> |
Output:
[ 11, 12, 13, 14, 15, 16, 17, 18, 19 ]
Example 2:
JavaScript
<script> // Driver code var num1 = ['a', 'b', 'c']; // use of String concat() Method console.log(num1.concat(1, [2, 3])); </script> |
Output:
[ 'a', 'b', 'c', '1,2,3' ]
