Answers for "map every second character jaavascript"

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map every second character jaavascript

var str = 'hello world how ya doing?';

function toUpperCase(str) {
  return str.split('').map((v, i) => i % 2 == 0 ? v.toLowerCase() : v.toUpperCase()).join('');
}

console.log(toUpperCase(str));

Posted by: Guest on March-14-2021

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