javascript get random string code example
Example 1: javascript generate random string
// Generate a random alphanumerical string of length 11 ( change substring parameter for other length)
Math.random().toString(36).substring(2);
Example 2: js random string
function randomString(length) {
var result = '';
var characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789~!@#$%^&*()_+=-';
var charactersLength = characters.length;
for ( var i = 0; i < length; i++ ) {
result += characters.charAt(Math.floor(Math.random() * charactersLength));
}
return result;
}
randomString(4);
Example 3: javascript get random string
function getRandomString(length) {
var randomChars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
var result = '';
for ( var i = 0; i < length; i++ ) {
result += randomChars.charAt(Math.floor(Math.random() * randomChars.length));
}
return result;
}
//usage: getRandomString(20); // pass desired length of random string
Example 4: how to generate random string in javascript
Math.random().toString(36).substring(2, 15) + Math.random().toString(36).substring(2, 15);
Example 5: node random string
var crypto = require("crypto");
var id = crypto.randomBytes(20).toString('hex');
// "bb5dc8842ca31d4603d6aa11448d1654"