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  STUDY_html_012_D.html

<html>

<script>  すくりぷと - 1  </script>

<div align="center">
<iframe src="metronome_off.html"id="ぷれい80"width="232"height="384"></iframe>
</div>
<div align="center">
<form><input type="button"value="Play"onClick="newURL()"</form>
<input type="button"value="Stop"id="りろーど">
</div>

<script>  すくりぷと - 2  </script>

</html>


<script>
function newURL()
{document.getElementById("ぷれい80").src="metronome_on_80_BPM.html";}
</script>




<script>
let りろーど=document.getElementById("りろーど");
りろーど.addEventListener('click',function(){location.reload();});
</script>


STUDY_html_012
[ 80_bpm.mp3 \ CENTER.svg \
fanfare_80.mp3 \ fanfare_analyze.jpg \ fanfare.jpg \
maru.svg \ metronome_off.html \ metronome_on_80_BPM.html \
metronome.svg \ sample_STUDY_html_012_D.html \
sample_STUDY_html_012_E.html ]


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