10 examples of 'javascript random letter' in JavaScript

86
function getRandomChar(){
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  var randKey = round(random(65, 90));
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  char = String.fromCharCode(randKey);
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  char = char.toUpperCase();
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  return char;
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}

7
function randomLetter(letter) {
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  var chars = 'abcdefghijklmnopqrstuvwxyz';
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  var i = Math.floor(Math.random() * chars.length);
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  var value = chars.substring(i, i + 1);
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  return isUpperCase(letter) ? value.toUpperCase() : value;
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}

87
function getRandomLetter(letters) {
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  return letters.charAt(Math.floor(Math.random() * letters.length));
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}

19
function randomString() {
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  const length = (Math.floor(Math.random() * 25) + 10);
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  let str = '';
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  for (let i = 0; i < length; i += 1) {
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      str += String.fromCharCode(Math.floor(Math.random() * 255))
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  }
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  return str;
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}

26
function random() {
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   return Math.random().toString(36).substr(2);
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}

20
export function getRandomChar(): string {
21
  let n = Math.ceil(Math.random() * 100)
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  if (n <= 40) return String.fromCharCode(Math.floor(Math.random() * 26) + 65) // Majuscule
23
  if (n <= 80) return String.fromCharCode(Math.floor(Math.random() * 26) + 97) // Minuscule
24
  return String.fromCharCode(Math.floor(Math.random() * 10) + 48) // Numero
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}

42
public static stringRandom(chars: number): string{
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    let text = "";
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    let possible = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
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    for( let i = 0; i < chars; i++ )
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        text += possible.charAt(Math.floor(Math.random() * possible.length));
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    return text;
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}

122
function random(length) {
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    var text = "";
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    var possible = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
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    for (var i = 0; i < length; i++) {
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        text += possible.charAt(Math.floor(Math.random() * possible.length));
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    }
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    return text;
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}

20
function randomString() {
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  var text = "";
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  var possible = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
23
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  for (var i = 0; i < 2; i++)
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    text += possible.charAt(Math.floor(Math.random() * possible.length));
26
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  return text;
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}

29
export function randomString () {
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  var string = ''
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  var possible = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'
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  for (var i = 0; i < 5; i++) { string += possible.charAt(Math.floor(Math.random() * possible.length)) }
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  return string
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}