sendbeacon

问题 I've been trying to send a beacon on beforeunload and it seems to work on pretty much all modern browsers, except Chrome in incognito mode. This is the code that works in all modern browsers, except Chrome in incognito mode: window.onbeforeunload = function() { navigator.sendBeacon("url"); } Not even this code doesn't seem to work: window.onbeforeunload = function() { console.log('before unload') } Am I doing anything wrong or is it just Chrome's fault? 回答1: What's your setup (SO, Chrome

问题 I'm currently trying to make an Angular app make an API service call when the user tries to navigate away from my page. Either by closing the tab / window, or typing in an external URL. I've tried to implement several different ways I've seen described here on stackoverflow questions, but none seem to have the desired effect. Some mention sync ajax requests which have been, or are in the process of being deprecated in onbeforeunload on Chrome. Others advise the use of XMLHttpRequests, which