{"html":"<!DOCTYPE html>\r\n<html lang=\"en\">\r\n    <head>\r\n        <meta charset=\"UTF-8\">\r\n    </head>\r\n    <body>\r\n        <div class='triangle'></div>\r\n\r\n        <script>\r\n            var triangle = document.querySelector('.triangle');\r\n            // 补全代码\r\n            for(let i = 1; i<= 3; i++){\r\n                for(let j = 0; j<i; j++){\r\n                    triangle.innerHTML += '*'\r\n                }\r\n                triangle.innerHTML += '<br>'\r\n            }\r\n        </script>\r\n    </body>\r\n</html>","css":"/* html, body {\\n\\twidth: 100%;\\n\\theight: 100%;\\n\\tmargin: 0;\\n\\tpadding: 0;\\n} */","js":"// 请在这里输入代码"}