Function forEach

mini-code-edit/cm/test/test.js:287–289

(arr, f)

  return str.replace(/[<&]/g, function(str) {return str == "&" ? "&amp;" : "&lt;";});
}
function forEach(arr, f) {
  for (var i = 0, e = arr.length; i < e; ++i) f(arr[i]);
}

function Failure(why) {this.message = why;}