このプロジェクトの利用方法を示してください(どのキーを押すなど)。

javascript:function getCookieValue(key){const cookies=document.cookie.split(';');for(let cookie=0;cookie<cookies.length;cookie++){var cookiesArray=cookies[cookie].split('=');if(cookiesArray[0].trim()==key.trim()){return cookiesArray[1];}}return'';}let token=getCookieValue("scratchcsrftoken");let data=new Date();let day=`${data.getFullYear()}/${data.getMonth()+1}/${data.getDate()} ${data.getHours()}:${data.getMinutes()}`;let aboutMe=``;fetch("https://scratch.mit.edu/session/",{headers:{"X-Requested-With":"XMLHttpRequest"}}).then(response=>response.json()).then(users=>{let username=users["user"]["username"];fetch(`https://api.scratch.mit.edu/users/${username}/`).then(response=>response.json()).then(aboutaboutme=>{let aboutme=aboutaboutme["profile"]["bio"].split("\n");for(let i=0;i<aboutme.length;i++){if(aboutme[i].includes("生存確認")){aboutme[i]=`生存確認：${day}`;aboutMe+=aboutme[i]+"\n";}else{aboutMe+=aboutme[i]+"\n";}}fetch(`https://scratch.mit.edu/site-api/users/all/${username}/`,{method:"PUT",body:JSON.stringify({bio:aboutMe}),headers:{'X-CSRFToken':token,"x-requested-with":"XMLHttpRequest"}});});})