

- Trending Categories
Data Structure
Networking
RDBMS
Operating System
Java
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
Generate random string/characters in JavaScript?
To generate random string/ characters in JavaScript, use Math.random(). We are generating 6 random characters here from the following characters −
'ABCDEFGHIJKLMNOabcdefghijklmnopqrstuvwxyzPQRSTUVWXYZ';
Example
Following is the code −
function generateRandomNumber(numberOfCharacters) { var randomValues = ''; var stringValues = 'ABCDEFGHIJKLMNOabcdefghijklmnopqrstuvwxyzPQRSTUVWXYZ'; var sizeOfCharacter = stringValues.length; for (var i = 0; i < numberOfCharacters; i++) { randomValues = randomValues+stringValues.charAt(Math.floor(Math.random() * sizeOfCharacter)); } return randomValues; } console.log(generateRandomNumber(6));
To run the above program, you need to use the following command −
node fileName.js.
Here, my file name is demo270.js.
Output
This will produce the following output on console −
PS C:\Users\Amit\javascript-code> node demo270.js qIcoCT
- Related Questions & Answers
- Generate random characters and numbers in JavaScript?
- Generate a random string in Java
- Java Program to generate random numbers string
- Python Generate random string of given length
- How to generate a random number in JavaScript?
- JavaScript to generate random hex codes of color
- PHP program different ways to generate a random string
- Generate Random boolean in Java
- Generate Random bytes in Java
- Generate random numbers in Arduino
- Generate random numbers using C++11 random library
- How to generate random numbers between two numbers in JavaScript?
- Generate pseudo-random numbers in Python
- Generate Random Integer Numbers in Java
- How does Python generate random numbers?
Advertisements