{"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        <button class='up'>销量升序</button>\r\n        <button class='down'>销量降序</button>\r\n        <ul></ul>\r\n\r\n        <script>\r\n            var cups = [\r\n                { type: 1, price: 100, color: 'black', sales: 3000, name: '牛客logo马克杯' },\r\n                { type: 2, price: 40, color: 'blue', sales: 1000, name: '无盖星空杯' },\r\n                { type: 4, price: 60, color: 'green', sales: 200, name: '老式茶杯' },\r\n                { type: 3, price: 50, color: 'green', sales: 600, name: '欧式印花杯' }\r\n            ]\r\n            var ul = document.querySelector('ul');\r\n            var upbtn = document.querySelector('.up');\r\n            var downbtn = document.querySelector('.down');\r\n            // 补全代码\r\n            const ulRending = arr => {\r\n                let str='';\r\n                arr.forEach((element) => {\r\n                    str += `<li>${element.name}</li>`\r\n                })\r\n                ul.innerHTML = str;\r\n            }\r\n            upbtn.onclick = function() {\r\n                const upSort = cups.sort(function(value1, value2) {\r\n                    return value1.sales - value2.sales\r\n                })\r\n                ulRending(upSort)\r\n            }\r\n            downbtn.onclick = function() {\r\n                const downSort = cups.sort(function (value1, value2) {\r\n                    return value2.sales - value1.sales\r\n                })\r\n                ulRending(downSort)\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"}