Function forEach

lib/web/CodeMirror/test/test.js:5–7

(arr, f)

CodeMirror.defaults.rtlMoveVisually = true;

function forEach(arr, f) {
  for (var i = 0, e = arr.length; i < e; ++i) f(arr[i], i);
}

function addDoc(cm, width, height) {
  var content = [], line = "";