Bonfire-Convert-html-entities

// Bonfire: Convert HTML Entities
// Author: @harshitanand
// Challenge: http://www.freecodecamp.com/challenges/bonfire-convert-html-entities
// Learn to Code at Free Code Camp (www.freecodecamp.com)

function convert(str) {
  // :)
 str = str.replace(/[&|<|>|'|"]/gi, function(a) {
    switch (a) {
      case '&':
        return '&amp;';
      case '<':
        return '&lt;';
      case '>':
        return '&gt;';
      case "'":
        return "&apos;";
      case '"':
        return '&quot;';
    }
  });
  return str;
}
convert('Dolce & Gabbana');