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I want to transform text randomly in javascript. e.g: raNDomlYrAnDfomR

const characters = "shoaib ali khan soomro";

  function generateString(length) {
    let result = " ";
    const charactersLength = characters.length;
    for (let i = 0; i < length; i++) {
      result += characters.charAt(Math.floor(Math.random() * charactersLength));
    }

    return result;
  }
  let length = characters.length;
  console.log(generateString(length));
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2
  • What is the question? Commented Dec 21, 2022 at 17:03
  • I want to use text-transform property for random letters in string, output should be like this "shOAiB alI KhaN SoOmRO" Commented Dec 21, 2022 at 17:07

1 Answer 1

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1

For ASCII, you can XOR the character code with 32 to switch the case.

function generateString(str) {
  return [...str].map(c => Math.random() < .5 ? c : 
    String.fromCharCode(c.charCodeAt() ^ 32)).join('');
}
console.log(generateString("shoaib ali khan soomro"));

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