js random char code example

Example 1: generate random character in javascript

var characters = 'abcdefghijklmnopqrstuvwxyz0123456789';
var result = ""
var chaactersLength = characters.length;

for ( var i = 0; i < 5 ; i++ ) {
    result += characters.charAt(Math.floor(Math.random() * chaactersLength));
}

console.log(result)

Example 2: random string js

const string_length = 10
[...Array(string_length)].map(i=>(~~(Math.random()*36)).toString(36)).join('')

Example 3: how to generate random character from an array js

function makeid() {
  var text = "";
  var possible = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";

  for (var i = 0; i < 5; i++)
    text += possible.charAt(Math.floor(Math.random() * possible.length));

  return text;
}

console.log(makeid());

Example 4: javascript random char

const characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
function generateRandomCode(){
    let result = ""
    let charactersLength = characters.length;
    for ( var i = 0; i < 6 ; i++ ) {
        result += characters.charAt(Math.floor(Math.random() * charactersLength));
    }
    return result
}