convertHTML
Convert the characters &, <, >, " (double quote), and ' (apostrophe), in a string to their corresponding HTML entities.
Examples
convertHTML('Dolce & Gabbana') → 'Dolce & Gabbana'
Starter code
function convertHTML(str) {
}
Complexity of the optimal solution
Time O(n), space O(n). The `replace` method with a global regex will scan the entire string of length n. A new string is built, which can have a length proportional to n. Both time and space are linear.