Function every

docs/_static/underscore-1.13.1.js:1402–1411

(obj, predicate, context)

  // Determine whether all of the elements pass a truth test.
  function every(obj, predicate, context) {
    predicate = cb(predicate, context);
    var _keys = !isArrayLike(obj) && keys(obj),
        length = (_keys || obj).length;
    for (var index = 0; index < length; index++) {
      var currentKey = _keys ? _keys[index] : index;
      if (!predicate(obj[currentKey], currentKey, obj)) return false;
    }
    return true;
  }

  // Determine if at least one element in the object passes a truth test.
  function some(obj, predicate, context) {