getAll()
方法在
FormData
interface returns all the values associated with a given key from within a
FormData
对象。
注意 : This method is available in Web 工作者 .
formData.getAll(name);
名称
USVString
representing the name of the key you want to retrieve.
An array of
FormDataEntryValue
s whose key matches the value passed in the
名称
parameter. If the key doesn't exist, the method returns an empty list.
The following line creates an empty
FormData
对象:
var formData = new FormData();
If we add two
username
values using
FormData.append
:
formData.append('username', 'Chris');
formData.append('username', 'Bob');
下列
getAll()
function will return both
username
values in an array:
formData.getAll('username'); // Returns ["Chris", "Bob"]
| 规范 | 状态 | 注释 |
|---|---|---|
|
XMLHttpRequest
The definition of 'getAll()' in that specification. |
实时标准 |
| 桌面 | 移动 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
getAll
|
Chrome 50 | Edge 18 | Firefox 39 | IE No | Opera 37 | Safari 11 | WebView Android 50 | Chrome Android 50 | Firefox Android 39 | Opera Android 37 | Safari iOS 11 | Samsung Internet Android 5.0 |
完整支持
不支持
FormData