This interface is deprecated in the
Navigation Timing Level 2 specification
. Please use the
PerformanceNavigationTiming
interface instead.
传统
PerformanceNavigation
interface represents information about how the navigation to the current document was done.
An object of this type can be obtained by calling the
Performance.navigation
read-only attribute.
PerformanceNavigation
interface doesn't inherit any properties.
PerformanceNavigation.type
只读
unsigned short
which indicates how the navigation to this page was done. Possible values are:
TYPE_NAVIGATE
(0)
The page was accessed by following a link, a bookmark, a form submission, or a script, or by typing the URL in the address bar.
TYPE_RELOAD
(1)
Location.reload()
方法。
TYPE_BACK_FORWARD
(2)
The page was accessed by navigating into the history.
TYPE_RESERVED
(255)
Any other way.
PerformanceNavigation.redirectCount
只读
unsigned short
representing the number of REDIRECTs done before reaching the page.
性能
interface doesn't inherit any
方法
。
PerformanceNavigation.toJSON()
PerformanceNavigation
对象。
| 规范 | 状态 | 注释 |
|---|---|---|
|
导航计时
The definition of 'PerformanceNavigation' in that specification. |
推荐 | 初始定义。 |
| 桌面 | 移动 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PerformanceNavigation
弃用
|
Chrome Yes | Edge 12 | Firefox 7 | IE 9 | Opera No | Safari No | WebView Android Yes | Chrome Android Yes | Firefox Android 7 | Opera Android No | Safari iOS No | Samsung Internet Android Yes |
redirectCount
弃用
|
Chrome Yes | Edge 12 | Firefox 7 | IE 9 | Opera No | Safari No | WebView Android Yes | Chrome Android Yes | Firefox Android 7 | Opera Android No | Safari iOS No | Samsung Internet Android Yes |
toJSON
弃用
|
Chrome 56 | Edge 12 |
Firefox
25
|
IE 9 | Opera No | Safari No | WebView Android 56 | Chrome Android 56 |
Firefox Android
25
|
Opera Android No | Safari iOS No | Samsung Internet Android 6.0 |
type
弃用
|
Chrome Yes | Edge 12 |
Firefox
7
|
IE 9 | Opera No | Safari No | WebView Android Yes | Chrome Android Yes |
Firefox Android
7
|
Opera Android No | Safari iOS No | Samsung Internet Android Yes |
完整支持
不支持
弃用。不要用于新网站。
见实现注意事项。
性能
that allows access to an object of this type.
PerformanceNavigationTiming
(part of Navigation Timing Level 2)
PerformanceNavigation