The Array.join() is an inbuilt TypeScript function which is used to joins all the elements of an array into a string.
Syntax:
array.join(separator)
Parameter: This method accept a single parameter as mentioned above and described below:
- separator : This parameter is the a string to separate each element of the array.
Return Value: This method returns the string after joining all the array elements.
Below examples illustrate the Array join() method in TypeScript.
Example 1:
JavaScript
<script> // Driver code var arr = [ 11, 89, 23, 7, 98 ]; // use of join() method var str = arr.join(", ") // printing element console.log("String : " + str); </script> |
Output:
String : 11, 89, 23, 7, 98
Example 2:
JavaScript
<script> // Driver code var arr = [ 'a','b','c','a','e' ]; // use of join() method var val = arr.join(" ") var val1 = arr.join(" + ") // printing element console.log(val); console.log(val1); </script> |
Output:
a b c a e a + b + c + a + e
