これは私のコード
<audio preload='false' id='player'>
<source src='https://dl-web.dropbox.com/get/mp3/player.wav?w=7e152d8e' />
</audio>
<audio preload='false' id='ai'>
<source 'https://dl-web.dropbox.com/get/mp3/ai.wav?w=431eb010'/>
</audio>
js
playerWav = document.getElementById('player', false);
aiWav = document.getElementById('ai');
...
if(contact_player(ball, player)){
playerWav.play();
...
if(contact_ai(ball, ai)){
playerWav.play();
playerWav.play() プレイしないでください(助けが必要です