HTML entities converter - solution 1

algo_mid_four_1.js

// Convert HTML characters

function convertHTMLBasic(string) {
  // 1. Convert a string into array and check each element
  let array = string.split('').map((a) => {
    // 2. If an element match to defined HTML entity
    // replace it with text eqivalent
    switch (a) {
      case '<':
        a = '&lt;';
        break;
      case '&':
        a = '&amp;';
        break;
      case '>':
        a = '&gt;';
        break;
      case '"':
        a = '&quot;';
        break;
      case "'":
        a = '&apos;';
        break;
    }
    return a;
  });

  // 3. Return array converted into a string
  return array.join('');
}

console.time('Start Algo 1');
console.log(convertHTMLBasic(`>I love 'Rock & Roll'<`));
console.timeEnd('Start Algo 1'); // Start Algo 1: 0.5478515625ms