我认为这可以使用HTML5音频完成，并带有指向外部音频文件的链接，但有没有办法不使用任何文件并播放声音？ （类似于系统警报声或音频铃声，如命令行中的\a）
我认为通知部分应该很简单。我们可以像往常一样发出通知。
详细信息是：对于您不是所有者的任何网站，假设网页继续显示一些数据，从0到6000的数字。现在，如果您使用想要添加书签，以便每当号码（显示为value: 5200）大于5000，然后发出声音并发出通知，而不使用外部音频文件，这是可能的，怎么办？
答案 0 :(得分：2)
无法从网页触发系统声音。
但您可以通过Data-URI协议嵌入一个小样本文件，并将其设置为音频元素的src。
只需将音频文件本身编码为Base-64，并使用正确的mime-type（或使用done for you）预先添加Data-URI标头。
示例：
document.querySelector("audio").src = "data:audio/mpeg;base64,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";<audio controls autoplay></audio>