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 |
浏览器兼容性
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