Function $w

src/prototype/lang/array.js:95–99

section: Language, related to: Array * $w(String) -> Array * * Splits a string into an [[Array]], treating all whitespace as delimiters. Equivalent * to Ruby's `%w{foo bar}` or Perl's `qw(foo bar)`. * * This is one of those life-savers for people who just hate commas in literal arrays :-)

(string)

**/

function $w(string) {
  if (!Object.isString(string)) return [];
  string = string.strip();
  return string ? string.split(/\s+/) : [];
}

/** alias of: $A
 *  Array.from(iterable) -> Array