https://type.so/js/javascript-tips.html zh-CN 合并两个数组var a = [1, 2], b = [3, 4]; console.log(a.concat(b))IE6,7 innerHtml未知的运行时错误HTML错误的嵌套例如在... Thu, 01 Jan 1970 08:00:00 +0800 Thu, 01 Jan 1970 08:00:00 +0800