前提须知
- 使用
BroadcastChannel 来实现浏览器tab通讯必须是同源的 - BroadcastChannel 支持多tab间通讯
- mdn 链接
具体使用
- 发送方使用
<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>Document</title>
</head>
<body><div><button style="all: unset" onclick="onSend()">发送</button></div><script>const broadcast = new BroadcastChannel('music')broadcast.onmessage = (e) => {console.log(e)}function onSend() {console.log('点击了');broadcast.postMessage({name: 'music',data: '发送的数据'})}</script>
</body>
</html>
- 接收方
<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>Document</title>
</head>
<body><script>const broadcast = new BroadcastChannel('music')broadcast.onmessage = ({data}) => {console.log('music接受数据了', data)}</script>
</body>
</html>
