AngularJS API Reference
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AngularJS: API: ng/function/angular.forEach
angular.forEach
- - function in module ng
對obj集合中的每個條目調(diào)用一次iterator函數(shù)，集合可以是一個對象或數(shù)組。 iterator函數(shù)通過iterator(value, key)形式調(diào)用，其中value是對象屬性值或數(shù)組元素，key是對象屬性鍵或數(shù)組元素索引。函數(shù)的context是可選參數(shù)。
值得注意的是.forEach不會遍歷繼承的屬性，因為它使用hasOwnProperty方法進行過濾。
var values = {name: 'misko', gender: 'male'};
var log = [];
angular.forEach(values, Function(value, key) {
this.push(key + ': ' + value);
}, log);
expect(log).toEqual(['name: misko', 'gender: male']);用法
angular.forEach(obj, iterator, [context]);
參數(shù)
| 參數(shù) | 類型 | 詳述 |
|---|---|---|
| obj | ObjectArray |
要遍歷的對象。 |
| iterator | Function |
迭代函數(shù)。 |
|
context
(可選)
|
Object |
要作為迭代函數(shù)上下文( |
返回值
| ObjectArray |
|