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How to use Array Manipulation In Javascript

Using String Concatenation

In this approach, we convert the input string into an array of characters, perform the character swap using array manipulation techniques, and then convert the array back into a string.

  • Convert the String to an Array: We begin by splitting the input string into an array of individual characters. This allows us to directly access and modify characters using array indexing.
  • Swap Characters: Using array destructuring, we swap the characters at the desired positions in the array. This approach is concise and readable.
  • Convert Back to String: After swapping the characters in the array, we use the join() method to convert the modified array back into a string.

Example: Define a function to swap characters in a string using array manipulation.

Javascript 
// Define a function to swap characters in a 
// string using array manipulation
function swapCharacters(inputString, index1, index2) {
    // Convert the input string into an array of characters
    let charArray = inputString.split('');

    // Swap the characters at the specified indices 
    // using array destructuring
    [charArray[index1], charArray[index2]] = 
        [charArray[index2], charArray[index1]];

    // Join the array back into a string 
    // and return the result
    return charArray.join('');
}

// Original string
const originalString = "example";

// Swap characters at index 0 and 5
const swappedString = 
    swapCharacters(originalString, 0, 5);

// Output the swapped string
console.log(swappedString);

Output
lxampee

JavaScript Program to Swap Characters in a String

In this article, We’ll explore different approaches, understand the underlying concepts of how to manipulate strings in JavaScript, and perform character swaps efficiently.

There are different approaches for swapping characters in a String in JavaScript:

Table of Content

  • Using Array Manipulation
  • Using String Concatenation
  • Using Regular Expressions
  • Using Substring Replacement
  • Using Recursion

Similar Reads

Using Array Manipulation

In this approach, we convert the input string into an array of characters, perform the character swap using array manipulation techniques, and then convert the array back into a string....

Using String Concatenation

This approach involves breaking down the original string into substrings, rearranging them, and then concatenating them to create the swapped string....

Using Regular Expressions

Using regular expressions, we can capture the characters to be swapped and rearrange them accordingly, resulting in the desired swapped string....

Using Substring Replacement

This approach extracts substrings before and after the specified positions, swaps them with the characters at those positions, and concatenates them with the swapped characters in the middle, effectively swapping the characters in the string....

Using Recursion

This approach utilizes the recursive function to swap characters in a string. It leverages the idea of breaking the problem down into smaller subproblems, each involving a string with characters at specific indices swapped....

Tags:
#JavaScript-DSA #JavaScript-Program #javascript-string #JavaScript #Web Technologies

Using String Concatenation