We're looking for a user researcher to understand the needs of developers and designers. Is this you or someone you know? Check out the post: https://mzl.la/2IGzdXS

PositionOptions.maximumAge

PositionOptions.maximumAge 是一個正值,它代表可以接受暫存位置的最長期限(單位是毫秒)。如果設定為 0,代表機器必須回傳實際的當前位置而不能使用暫存位置。如果設定為 Infinity, 機器必定會回傳暫存位置而不考慮他的期限。預設值:0。

語法

positionOptions.maximumAge = timeLength

規格

Specification Status Comment
Geolocation API
The definition of 'PositionOptions.maximumAge' in that specification.
Recommendation Initial definition

瀏覽器的相容性

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support 5 3.5 (1.9.1) 9 10.60
No support 15.0
16.0
5
Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support ? ? 4.0 (4) ? 10.60 ?

請參考

文件標籤與貢獻者

此頁面的貢獻者: alphan_chen, yachiehwu
最近更新: alphan_chen,