{"html":"<!DOCTYPE html>\r\n<html>\r\n    <head>\r\n        <meta charset=utf-8>\r\n    </head>\r\n    <body>\r\n    \t<input id=\"input\" type=\"text\" />\r\n        <span id=\"span\"></span>\r\n\r\n        <script type=\"text/javascript\">\r\n            // 补全代码\r\n            document.getElementById('input').onchange = function(){\r\n                document.querySelector('#span').innerHTML = this.value;\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"}