How to reverse a string in JavaScript is one of the most frequently asked interview questions. There could be dozens of ways we could reverse a string. However, in this article, we'll learn three different methods to reverse a string in JavaScript.
Use reduce() function in JavaScript to make a reverse string from an array by concatenating the string in the forward direction. // Function to reverse the string function ReverseString(str) { // Returning reverse string return [...str].reduce((x, y) =>y.concat(x)); } console.log(Re...
We are required to write a JavaScript function that takes in a number and returns its reversed number with converting it to an array or string. Let's write the code for this function − Example const num = 234567; const reverseNumber = (num, res = 0) => { if(num){ return reverse...
function stringReverse(string) { return (string === '') ? '' : stringReverse(string.substr(1)) + string.charAt(0); } console.log(stringReverse("Reverse String")); // output: gnirtS esreveR See also How do I convert array to string in JavaScript?
JavaScript Code:// Define a function named 'test' with a single parameter 'text' function test(text) { // Check if the input string is empty if (text.length === 0) { // Return a message if the input string is empty return 'String should not be empty!' } // Check if the ...
Write a JavaScript program that reverses a given string without using the built-in reverse() method. Write a JavaScript program that reverses each word in a sentence while preserving the word order. Write a JavaScript program that reverses a string and then returns the string with alternating cha...
正常解法, javascript 不能in-place改变字符串,开了个变量。 1/**2* @param {string} str3* @returns {string}4*/5varreverseWords =function(str) {6varstart = -1, end, i, result = "";7for(i = 0; i < str.length; i++){8if(!/\s/.test(str[i])){9if(start === -1){10star...
Join array elements together with string se...Loop through an array with for statement in...Loop through array and work on each element...Map array value in JavaScriptMove data from an Array to another in JavaS...Output array with toString() in JavaScriptOutput array with valueOf() in ...
Here, we will reverse the string without using StringBuffer.reverse() method, consider the given program:import java.util.*; class ReverseString { public static void main(String args[]) { //declaring string objects String str="",revStr=""; Scanner in = new Scanner(System.in); //in...
Learn how to reverse an array using for loops in JavaScript with this comprehensive guide and examples.