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>
var num1 = [11, 12, 13];
var num2 = [14, 15, 16];
var num3 = [17, 18, 19];
console.log(num1.concat(num2, num3));
</script>
|
Output:
[ 11, 12, 13, 14, 15, 16, 17, 18, 19 ]
Example 2:
JavaScript
<script>
var num1 = ['a', 'b', 'c'];
console.log(num1.concat(1, [2, 3]));
</script>
|
Output:
[ 'a', 'b', 'c', '1,2,3' ]