* @ngdoc function * @name angular.forEach * @function * * @description * Invokes the `iterator` function once for each item in `obj` collection,

* @ngdoc function * @name angular.equals * @function * * @description * Determines if two objects or two values are equivalent. Supports value ty

* @ngdoc function * @name angular.isUndefined * @function * * @description * Determines if a reference is undefined. * * @param {*} value Refer

* @ngdoc function * @name angular.extend * @function * * @description * Extends the destination object `dst` by copying all of the properties fro

* @ngdoc function * @name angular.isString * @function * * @description * Determines if a reference is a `String`. * * @param {*} value Referen

* @ngdoc function * @name angular.isFunction * @function * * @description * Determines if a reference is a `Function`. * * @param {*} value Ref

* @ngdoc function * @name angular.isDefined * @function * * @description * Determines if a reference is defined. * * @param {*} value Reference

* @ngdoc function * @name angular.isArray * @function * * @description * Determines if a reference is an `Array`. * * @param {*} value Referenc

* @ngdoc function * @name angular.isObject * @function * * @description * Determines if a reference is an `Object`. Unlike `typeof` in JavaScript

* @ngdoc function * @name angular.copy * @function * * @description * Creates a deep copy of `source`, which should be an object or an array. *

* @ngdoc function * @name angular.isNumber * @function * * @description * Determines if a reference is a `Number`. * * @param {*} value Referen

* @param {string} provider * @param {string} method * @param {String=} insertMethod * @returns {angular.Module}

* @param {string} provider * @param {string} method * @param {String=} insertMethod * @returns {angular.Module}

* Converts all accepted directives format into proper directive name. * All of these will become 'myDirective': * my:DiRective * my-directive

* @ngdoc function * @name angular.toJson * @function * * @description * Serializes input into a JSON-formatted string. * * @param {Object|Array

* Computes a hash of an 'obj'. * Hash of a: * string is string * number is number as string * object is either result of calling $$hashKey func

* throw error of the argument is falsy.

* Checks if `obj` is a window object. * * @private * @param {*} obj Object to check * @returns {boolean} True if `obj` is a window obj.

* looks up the directive and decorates it with exception handling and proper parameters. We * call this the boundDirective. * * @param