javascript password generator example
function generatePassword(passwordLength) { var numberChars = "0123456789"; var upperChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; var lowerChars = "abcdefghijklmnopqrstuvwxyz"; var allChars = numberChars + upperChars + lowerChars; var randPasswordArray = Array(passwordLength); randPasswordArray[0] = numberChars; randPasswordArray[1] = upperChars; randPasswordArray[2] = lowerChars; randPasswordArray = randPasswordArray.fill(allChars, 3); return shuffleArray(randPasswordArray.map(function(x) { return x[Math.floor(Math.random() * x.length)] })).join(''); } function shuffleArray(array) { for (var i = array.length - 1; i > 0; i--) { var j = Math.floor(Math.random() * (i + 1)); var temp = array[i]; array[i] = array[j]; array[j] = temp; } return array; } alert(generatePassword(12));
