Created
December 12, 2017 17:44
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Generic random alphabetical strings with JavaScript
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var validChars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split(''); | |
var validCharsUpperBound = validChars.length - 1; | |
function randomInt(lower, upper) { | |
return lower + Math.floor(Math.random() * (upper - lower + 1)) | |
} | |
function randomLetter() { | |
return validChars[randomInt(0, validCharsUpperBound)]; | |
} | |
function randomString() { | |
var randomLength = randomInt(0, 32); | |
var randomLetters = []; | |
for (var r = 0; r <= randomLength; r++) { | |
randomLetters.push(randomLetter()); | |
} | |
return randomLetters.join(''); | |
} | |
var stringsToTest = []; | |
for (var s = 0; s < 100; s++) { | |
stringsToTest.push(randomString()); | |
} | |
// Add duplicates? | |
for (var d = 0; d < 5; d++) { | |
var duplicateIndex = randomInt(0, stringsToTest.length - 1); | |
stringsToTest.push(stringsToTest[duplicateIndex]); | |
} | |
console.log(JSON.stringify(stringsToTest, null, 2)); |
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