function escapeHtml(subject) {
    return coerceToString(subject).replace(REGEXP_HTML_SPECIAL_CHARACTERS, replaceSpecialCharacter);
  }
Escapes HTML special characters  <code>< > & ' " `</code> in <code>subject</code>.

@function escapeHtml
@static
@since 1.0.0
@memberOf Escape
@param {string} [subject=''] The string to escape.
@return {string} Returns the escaped string.
@example
v.escapeHtml('<p>wonderful world</p>');
// => '&lt;p&gt;wonderful world&lt;/p&gt;'