Function forEach

src/workbench/browser/src/ng1/lib/angular/angular.js:406–446

* @ngdoc function * @name angular.forEach * @module ng * @kind function * * @description * Invokes the `iterator` function once for each item in `obj` collection, which can be either an * object or an array. The `iterator` function is invoked with `iterator(value,

(obj, iterator, context)

     */

    function forEach(obj, iterator, context) {
        var key, length;
        if (obj) {
            if (isFunction(obj)) {
                for (key in obj) {
                    if (key !== 'prototype' && key !== 'length' && key !== 'name' && obj.hasOwnProperty(key)) {
                        iterator.call(context, obj[key], key, obj);
                    }
                }
            } else if (isArray(obj) || isArrayLike(obj)) {
                var isPrimitive = typeof obj !== 'object';
                for (key = 0, length = obj.length; key < length; key++) {
                    if (isPrimitive || key in obj) {
                        iterator.call(context, obj[key], key, obj);
                    }
                }
            } else if (obj.forEach && obj.forEach !== forEach) {
                obj.forEach(iterator, context, obj);
            } else if (isBlankObject(obj)) {
                // createMap() fast path --- Safe to avoid hasOwnProperty check because prototype chain is empty
                for (key in obj) {
                    iterator.call(context, obj[key], key, obj);
                }
            } else if (typeof obj.hasOwnProperty === 'function') {
                // Slow path for objects inheriting Object.prototype, hasOwnProperty check needed
                for (key in obj) {
                    if (obj.hasOwnProperty(key)) {
                        iterator.call(context, obj[key], key, obj);
                    }
                }
            } else {
                // Slow path for objects which do not have a method `hasOwnProperty`
                for (key in obj) {
                    if (hasOwnProperty.call(obj, key)) {
                        iterator.call(context, obj[key], key, obj);
                    }
                }
            }
        }
        return obj;
    }

    function forEachSorted(obj, iterator, context) {
        var keys = Object.keys(obj).sort();