cleanup based on SArpnts suggestions

static/qrplay/v2a.html

@@ -15,11 +15,11 @@
 <p>paste ZZT music code in this box, then click the button to #play!</p>
 
 <!-- snip here -->
-<meta name="viewport" content="width=device-width initial-scale=1.0">
+<meta name=viewport content=width=device-width,initial-scale=1>
 <textarea id=f></textarea><br>
-<button onclick='
+<button onclick="
 /*qrplay v2a, nycki & SArpnt, 2025*/
-f.A&&f.A.close();
+f.A?.close();	// throws exception if already stopped, but I dont care :3
 B=new GainNode(f.A=A=new AudioContext,{gain:0.1});
 B.connect(A.destination);
 r=.4;		// speed in s/beat
@@ -41,17 +41,17 @@ for(
 	z<3?
 		z?o+=g:	// -+ change octave
 		(o=0,l=1/8):		// @ reset
-	z&1?console.log(l=g):	// change note length
+	z&1?l=g:	// change note length
 	(	// play note
 		a=new OscillatorNode(A,{
-			type:`square`,
-			detune:100*(g+o+(d==`#`)-(d==`!`))	// # sharp or ! flat
+			type:'square',
+			detune:100*(g+o+(d=='#')-(d=='!'))	// # sharp or ! flat
 		}),
 		a.connect(B),a.start(t*r),t+=l,a.stop(t*r)
 	)
 // type of g varies depending on the operation
-) g=[,-12,12,4,-9,2,-7,1,-5,.5,-4,.25,-2,1/8,0,l/3,2,l*1.5][z=`@-+wchdqeifsgta3b.x012456789z\npovukr\x27`.indexOf(c.toLowerCase())]
-'>#play</button> <button onclick='f.A.close()'>#stop</button>
+) g=[,-12,12,4,-9,2,-7,1,-5,.5,-4,.25,-2,1/8,0,l/3,2,l*1.5][z=`@-+wchdqeifsgta3b.x012456789z\npovukr'`.indexOf(c.toLowerCase())]
+">#play</button> <button onclick=f.A.close()>#stop</button>
 <!-- stop snipping here -->
 
 <button onclick='
@@ -59,13 +59,6 @@ for(
 window.location.search = "?"+f.value.replaceAll(" ","%20").replaceAll("\n","%0a").replaceAll("#","%23");
 '>#save</button>
 
-<script>
-f.value=(f.value
-	|| window.location.search.slice(1).replaceAll('%20', ' ').replaceAll('%0a','\n').replaceAll('%0A','\n').replaceAll('%23', '#')
-	|| s.value
-);
-</script>
-
 <hr>
 
 <table style="text-align: center;">
@@ -93,5 +86,12 @@ f.value=(f.value
 
 <p>for security reasons, your phone probably won't open these as links. you'll have to copy and paste the text into your browser's uri input.</p>
 
+<script>
+// set default value for input
+f.value=(f.value
+	|| window.location.search.slice(1).replaceAll('%20', ' ').replaceAll('%0a','\n').replaceAll('%0A','\n').replaceAll('%23', '#')
+	|| s.value
+);
+</script>
 </body>
 </html>