摘要：
function toLeft() { var left=document.getElementsByTagName("select")[0]; var right=document.getElementsByTagName("select")[1]; var sel=right.g... 阅读全文
摘要：
//创建一个数组存储数据 var arr=new Array(4); arr[0]=["中国","南京","抚州","临洮","日喀则","哈密"]; arr[1]=["美国","华盛顿","底特律"]; arr[2]=["德国","慕尼黑","柏林","法兰克福"]; arr[3]=["日本... 阅读全文