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Implementation case of JavaScript alarm sound effect

黄舟
Release： 2017-10-28 09:26:16
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Prototype diagram:

## Project requirements :

After receiving the alarm, the server will push the message to the front desk (through the effect of front-end real-time message prompt-websocket long polling). After receiving the message, the front desk needs to issue an alarm sound to remind the user.

Principle:

It’s very simple. You can use the
Related labels：
javascript js
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