convert-html-entities.js

/*
Convert the characters &, <, >, " (double quote), and ' (apostrophe), 
in a string to their corresponding HTML entities.
*/

function convertHTML(str) {
  str = str.replace(/&/g, "&amp;");
  str = str.replace(/</g, "&lt;");
  str = str.replace(/>/g, "&gt;");
  str = str.replace(/"/g, "&quot;");
  str = str.replace(/'/g, "&apos;");

  return str;
}

console.log(convertHTML("Hamburgers < Pizza < Tacos"));