Javascript 在扩展开始时互联网不可用时,在chrome扩展中启用分析
我在我的chrome扩展中使用分析,如下所示 background.jsJavascript 在扩展开始时互联网不可用时,在chrome扩展中启用分析,javascript,google-chrome,google-chrome-extension,google-analytics,universal-analytics,Javascript,Google Chrome,Google Chrome Extension,Google Analytics,Universal Analytics,我在我的chrome扩展中使用分析,如下所示 background.js // Standard Google Universal Analytics code (function(i,s,o,g,r,a,m) {i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){ (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o), m=s
// Standard Google Universal Analytics code
(function(i,s,o,g,r,a,m)
{i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new
Date();a=s.createElement(o),
m=s.getElementsByTagName(o)
[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
})(window,document,'script','https://www.google-
analytics.com/analytics.js','ga');
ga('create', 'UA-XXXXX-YY', 'auto');
ga('set', 'checkProtocolTask', function(){}); // Removes failing protocol
ga('require', 'displayfeatures');
在manifest.json中拥有所有必要的权限
除了在扩展开始时没有互联网的情况外,一切都按预期进行。在这种情况下,事件不会发送到服务器,因为analytics.js未加载。这会导致事件丢失,直到下一次chrome重新启动并成功连接互联网
是否有解决方法。使用
XMLHttpRequest
测试https://www.google-analytics.com/analytics.js
是可访问的。如果不是,则使用(最好)或setInterval
创建一个计时器,以重复此测试。一旦可以访问站点,初始化GA。找到了一种优雅的方法
function loadAnalyticsScript() {
// The standard Google Universal Analytics code
(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
})(window,document,'script','https://www.google-analytics.com/analytics.js','ga'); // Note: https protocol here
}
var analyticsLoaded = false; // initialise
loadAnalyticsScript();
/************Detect if analytics script has loaded **********/
// Method 1 src:https://davidsimpson.me/2014/05/27/add-googles-universal-analytics-tracking-chrome-extension/#comment-190946
ga(function(){
// This function will be triggered when GA is successfully loaded for the first time.
console.log(' +++ Google Analytics has loaded');
analyticsLoaded = true;
});
// Alternative Method 2 src:https://www.domsammut.com/code/workaround-for-when-the-hitcallback-function-does-not-receive-a-response-analytics-js
if (ga.hasOwnProperty('loaded') && ga.loaded === true) {
console.log(' +++ Google Analytics has loaded');
analyticsLoaded = true;
}
/*************************************************/
// All the events tracking goes here
ga('create', 'UA-XXXXX-YY', 'auto');
ga('set', 'checkProtocolTask', function(){}); // Removes failing protocol check. @see: http://stackoverflow.com/a/22152353/1958200
ga('require', 'displayfeatures');
ga('send', 'pageview', '/options.html');
// Test to see if it's loaded yet.
var gaLoadTimer = setInterval(function(){
if (analyticsLoaded === false) {
console.log("Retrying for GA script");
loadAnalyticsScript(); //try again
}
else{
clearInterval(gaLoadTimer);
}
}, 20000); // every 20s
谢谢你的回答。还找到了另一个方法来检查analytics.js是否在@mallik1055加载,另一个方法值得作为答案出现在这里,并带有到源文章的链接。您是否愿意添加它,甚至选择它作为解决方案?请注意使用20秒的设置间隔,如果您使用事件页(
“persistent”:false
),它将失败