js里面heBei[4]=new Array('4','邢台')答:heBei = [];//假设heBei为空数组, 如果heBei不是数组, 下面的语句运行时报错 heBei[4] = new Array('4','邢台'); //heBei 的值 [undefined, undefined, undefined, undefined, ['4', '邢台']]Array的构造函数, 若参数只有一个且该参数是number类型(arguments.length === 1 && typeof(...