简单开启服务工作线程是怎么开启的
//子线程navigatorWorker.js
console.log('服务工作线程注册成功');
self.addEventListener('install',function(e){
console.log('install事件已经开启');
})
//主线程
//index.html
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content" content="text/html;charset=UTF-8"/>
<title>测试服务工作者线程</title>
</head>
<body>
<script>
if('serviceWorker' in navigator)
{
//注册服务工作线程；scope表示手动指定作用域范围
navigator.serviceWorker.register('navigatorWorker.js',{scope:'/a'})
.then((res)=>{
//这里返回的期约是navigatorWorkerRegistration对象
console.log('Service Wroker:',res);
})
.catch((error)=>{
console.log('service worker注册失败',error);
})
}
</script>
</body>
</html>
