聊天室副本 | JavaScript 程式專案

{"id":73838,"student_id":1991,"content":"var comments = [];\nvar name = prompt(\"what is your name?\") || \"某XX\";\nvar users={\n    100: { id:100, name:\"某XXA\"},\n    101: { id:100, name:\"某XXB\"},\n    102: { id:100, name:\"某XXC\"},\n};\n\nvar myID = Math.floor(Math.random()*1000000);\nusers[myID] = {\n    id: myID,\n    name: name\n};\n\nDB.onMessage(\"update\", function(otherUser){\n   if(users[otherUser.id] === undefined){\n       comments.unshift(`${otherUser.name}'you are online now!!!`);\n   } \n   users[otherUser.id] = otherUser;\n});\n\n\n\n\n\nforever(function() {\n    \n    users[myID].time = Date.now();\n    DB.broadcast('update',users[myID]);\n    \n    var idx=0;\n    for (var id in users) {\n        print(users[id].name, 0, 30+idx*20,\"black\",20);\n        idx++;\n    }\n    \n    if(Date.now()\u003eusers[id].time+1000){\n        comments.unshift(users[id].name+'you leave now!!!');\n        delete users[id];\n        \n        \n    }\n    \n    for (var i = 0; i \u003c comments.length; i++) {\n        print(comments[i], 100, 30+i*30, \"black\", 30);\n    }\n});\n\nwhen(\"click\", function() {\n    var text = prompt(\"what do you whant to say?\");\n    if (text == \"\" || text == null) return;\n\n    var time = new Date();\n    time = time.toLocaleTimeString();\n\n    var msg = `[${time}] ${name}:${text}`;\n    comments.unshift(\"you\"+msg);\n    DB.broadcast(`message`, msg);\n});\n\nDB.onMessage(\"massage\", function(data) {\n    comments.unshift(\"@\"+data);\n});\n\nDB.onMessage(\"update\", function(otherUser){\n   users[otherUser.id] \n});\n\n\n\n\n\n\n\n\n\n\n","created_at":"2019-06-22T10:12:26.741+08:00","updated_at":"2019-10-07T08:18:31.104+08:00","name":"聊天室 副本","language":"javascript","screenshot":{"url":"https://cdn3.koding.school/uploads/project/screenshot/73838/7ab6361a1fc1df07e2be542867b07ee6.jpg"},"parent_id":34007,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":77,"hashid":"4y3swj2z","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}