关于遍历的问题 有没有大牛可以解决

Question

  var a = [            { "name": "测试1", "cnt": "测试" },            { "name": "测试2", "cnt": "测试" },            { "name": "测试3", "cnt": "测试" },            { "name": "测试4", "cnt": "测试" },            { "name": "测试5", "cnt": "测试" }                ]                if (a) {                    _html = "";                    for()                        _html += '<tr>';                        _html += '<td><span>箱内温度：冷藏：0~10℃/冷冻：0~-15℃</span></td>';                        _html += '<td><span>重量：60（KG）</span></td>';                        _html += '</tr>';                }就是用js遍历json有没有每次取两条数据这样遍历而不是一条

Answer 1

为啥要一次遍历2条