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.
; 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: ; Required settings for WebAudio: sr = 48000 ksmps = 128 nchnls = 2 nchnls_i = 1 ; By Stefano Cucchi 2020 ; sr = 44100 ; ksmps = 32 ; nchnls = 2 0dbfs =1 instr 1 i1 = exp(2) ; BASE = e (2,71828 18284 59045 23536...) ; EXPONENT = 2 print i1 endin i 1 0 1 e