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 </CsOptions> <CsInstruments> ; sr = 44100 ; ksmps = 32 ; nchnls = 2 0dbfs = 1 instr 1 S1 getcfg 1 ; -+max_str_len S2 getcfg 2 ; -i S3 getcfg 3 ; -o S4 getcfg 4 ; RTaudio S5 getcfg 5 ; -t S6 getcfg 6 ; os system host S7 getcfg 7 ; callback prints "------------------------------" prints "\nMax string len : " prints S1 prints "\nInput file name (-i) : " prints S2 prints "\nOutput file name (-o) : " prints S3 prints "\nRTaudio (-odac) : " prints S4 prints "\nBeat mode (-t)? : " prints S5 prints "\nHost Op. Sys. : " prints S6 prints "\nCallback ? : " prints S7 prints "\n" prints "------------------------------\n" endin </CsInstruments> <CsScore> i 1 0 0 e </CsScore> </CsoundSynthesizer>