Can someone show me how to add this code to the rest of the code

HTML & CSS
1

This is the code, I don’t know how to add it to the rest of the code, can someone show me?

**[** myaud=document.getElementById("player");myaud.volume=1.0; **]**

<button style="cursor: pointer; background-color:transparent;padding-bottom:1px;"
onclick="document.getElementById('player').play()">Play</button>

<audio id="player" preload="none" style="display:none;">
<source src='http://air.radiorecord.ru:8101/rr_320' type='audio/mpeg'/>
</audio>
</div>