Canvasから動画を生成するWebサービスを試作してみた。 - Qiita

window.onload = function(){ var script = document.createElement("script"); script.type = "text/javascript"; script.src = "$URL"; document.body.appendChild(script); }; window.addEventListener('keydown', event => { if(event.key=='c'||event.key=='C'){ let canvas=document.getElementById("$ID"); startCapture(canvas,$FPS,$TIME); } }); let startCapture=function(canvas,fps,time){ let cap=new CCapture({for