Function forEach

static/editor.md/lib/codemirror/addon/hint/javascript-hint.js:14–16

(arr, f)

  var Pos = CodeMirror.Pos;

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

  function arrayContains(arr, item) {
    if (!Array.prototype.indexOf) {