您可以使用全局对象,如窗口。添加到此对象属性chanel,如RxJS / BehaviourSubject。记得导入RxJs库。
<body> <script> window['myChanel'] = new BehaviourSubject() </script> </body>
let transData; window.myChanel.pipe(tap(value => transData = value ))).subscribe()
window.myChanel.emit('myTestValue')