问题虽简单但是我不会,大加快来抢分吧,解决后立即结帖(在线,分不够可以再加)
关于javascript由于着急所以就在这里问了.
有几个数组,一个值,和一个select
数组:
var a = ["a","b","c","d"];
var A = ["A","B","C","D"];
var b = ["1","2","3","4"];
var B = ["i","ii","iii","iiii"];
其中a,A的大小一样,b和B的大小一样
有一个值q在a,b里的值中随机变化,我怎样能使select中显示q在a或b中的位置所对应的A或B中的值呢?
比如q值为"c",select中就显示"C",q值为"3",select中就显示"iii"