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.
How to reverse a string using recursion in JavaScript? You can reverse a string using recursion in JavaScript. The recursion includes two JavaScript methods: substr() and charAt(). The substr() returns a substring of the string, while the charAt() returns the specified character of the string...
The simplest way to reverse a string in JavaScript is to split a string into an array,reverse()it andjoin()it back into a string. With ES6, this can be shortened and simplified down to: letstring ="!onaiP"string = [...string].reverse().join("");console.log(string);// "Piano!
代码语言:javascript 代码运行次数:0 运行 AI代码解释 voidreverseWords(string&s){string ss;int i=s.length()-1;while(i>=0){while(i>=0&&s[i]==' ')//处理多个空格的情况{i--;}if(i<0)break;if(ss.length()!=0)ss.push_back(' ');string temp;for(;i>=0&&s[i]!=' ';i--)temp....
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 ...
there are lots way to reverse the string in javascript Reverse a String With Built-In Functions function reverseString(str) { return str.split("").reverse().join("");}reverseString("hello"); Reverse a String With Recursion function reverseString(str) { return (str === '') ? '' : ...
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...
代码语言:javascript 代码运行次数:0 AI代码解释 Input:"Let's take LeetCode contest"Output:"s'teL ekat edoCteeL tsetnoc" Note:In the string, each word is separated by single space and there will not be any extra space in the string. ...
There is no built-in function to reverse a String in Python. The fastest (and easiest?) way is to use a slice that steps backwards,-1. ExampleGet your own Python Server Reverse the string "Hello World": txt ="Hello World"[::-1] ...
Code Issues Pull requests Write a function that reverses a string. The input string is given as an array of characters s. You must do this by modifying the input array in-place with O(1) extra memory. javascript leetcode strings interview-questions reversestring Updated on Dec 8, 2021 ...