How to Reverse a String in TypeScript - Step by Step Examples



How to Reverse a String in TypeScript ?

Answer

To reverse a string in TypeScript, you can follow the same approach as JavaScript.



✐ Examples

1 Reversing "Hello World" String

In this example,

  1. We create a string named str1 with a value of "Hello World".
  2. We split str1 into an array of characters using split('').
  3. We reverse the array using reverse().
  4. Finally, we join the array back into a string using join('') and print the result.

TypeScript Program

let str1: string = 'Hello World';
let reversedStr1: string = str1.split('').reverse().join('');
console.log('Reversed string is: ' + reversedStr1);

Output

Reversed string is: dlroW olleH

2 Reversing "apple" String

In this example,

  1. We create a string named str2 with a value of "apple".
  2. We split str2 into an array of characters using split('').
  3. We reverse the array using reverse().
  4. Finally, we join the array back into a string using join('') and print the result.

TypeScript Program

let str2: string = 'apple';
let reversedStr2: string = str2.split('').reverse().join('');
console.log('Reversed string is: ' + reversedStr2);

Output

Reversed string is: elppa

Summary

In this tutorial, we learned How to Reverse a String in TypeScript language with well detailed examples.




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