This should play if your Web browser has WebAssembly enabled (most do). Most examples will play unless they need to load files. The first time you click Play, Csound will spend a few seconds loading, then play. You can edit this code and replay it.
<CsoundSynthesizer> <CsOptions> ; Select audio/midi flags here according to platform -odac ;;;realtime audio out ;-iadc ;;;uncomment -iadc if realtime audio input is needed too ; For Non-realtime ouput leave only the line below: ; -o sfinstr3m.wav -W ;;; for file output any platform </CsOptions> <CsInstruments> ; Required settings for WebAudio: sr = 48000 ksmps = 128 nchnls = 2 nchnls_i = 1 ; sr = 44100 ; ksmps = 32 ; nchnls = 2 0dbfs = 1 ; By Menno Knevel - 2020 gisf sfload "07AcousticGuitar.sf2" sfilist gisf instr 1 inum = p4 ivel = p5 kamp linsegr 1, 1, 1, .1, 0 kamp = kamp/900000 ;scale amplitude, small value because of 0dbfs = 1 kfreq = 1 ;do not change freq from sf aout sfinstr3m ivel, inum, kamp*ivel, kfreq, 0, gisf outs aout, aout endin </CsInstruments> <CsScore> i1 0 1 60 127 i1 + 1 62 < i1 + 1 65 < i1 + 1 69 10 e </CsScore> </CsoundSynthesizer>