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 -M0 ;;;realtime audio out and midi in ;-iadc ;;;uncomment -iadc if RT audio input is needed too ; For Non-realtime ouput leave only the line below: ; -o STKDrummer.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 instr 1 ;STK Drummer - has no controllers but plays samples (11) icps cpsmidi iamp ampmidi 1 asig STKDrummer icps, iamp outs asig, asig endin </CsInstruments> <CsScore> ; play 5 minutes f0 300 e </CsScore> </CsoundSynthesizer>