js中,用for循环找出一组数组中的最大值和最小值,document.write输出...答:var a = [1,2,3,4,5,6], x, max = a[0], min = a[0];for (x in a) { if (a[x] > max) { max = a[x]; } if (a[x] < min) { min = a[x]; }}原始的差不多就是这个样子(这个知是对整数有效,浮点的可能会有bug)。建议你直接用undersourc...
求教!js二维数组中,如何把具有相同种类name的值筛选出来,组成三维数组...答:var college = [ [{name:'北京'},{city:'西安'}], [{name:'上海'},{city:'包头'}], [{name:'广州'},{city:'福州'}], [{name:'北京'},{city:'广州'}], [{name:'广州'},{city:'太原'}], [{name:'上海'},{city:'昆明'}]];var result = [...