Geolocation.clearWatch()
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since 2015年7月.
Geolocation.clearWatch() 这个方法用于注销之前使用 Geolocation.watchPosition() 注册的位置监听器或错误监听器。
语法
navigator.geolocation.clearWatch(id);
参数
id-
希望移除的监听器所对应的
Geolocation.watchPosition()返回的 ID 值。
示例
js
var id, target, option; function success(pos) { var crd = pos.coords; if (target.latitude === crd.latitude && target.longitude === crd.longitude) { console.log("Congratulation, you reach the target"); navigator.geolocation.clearWatch(id); } } function error(err) { console.warn("ERROR(" + err.code + "): " + err.message); } target = { latitude: 0, longitude: 0, }; options = { enableHighAccuracy: false, timeout: 5000, maximumAge: 0, }; id = navigator.geolocation.watchPosition(success, error, options); 规范
| Specification |
|---|
| Geolocation> # clearwatch-method> |