找到一个抽奖程序
& lt!DOCTYPE?html & gt
& lthtml & gt
& lthead & gt
& ltmeta?charset=utf-8?/& gt;
& lttitle & gt随机数
& lt脚本& gt
功能?num(){
var?a = document . getelementbyid(" n 1 ")。价值;
var?a=document.getElementById("n2 ")。价值;
var?a=document.getElementById("n3 ")。价值;
var?a=document.getElementById("n4 ")。价值;
var?a=document.getElementById("n5 ")。价值;
var?a=document.getElementById("n6 ")。价值;
var?arr=[a,b,c,d,e,f];
document.getElementById("num ")。innerHTML?=?
arr[0]+"、"+arr[1]+"、"+arr[2]+"、"+arr[3]";}
& lt/script & gt;
& lt/head & gt;
& ltbody & gt
& lt输入?type="text "?name="num1 "?id="n1"/>
& lt输入?type="text "?name="num2 "?id = " N2 "/& gt;
& lt输入?type="text "?name="num3 "?id = " n3 "/& gt;
& lt输入?type="text "?name="num4 "?id="n4"/>
& lt输入?type="text "?name="num5 "?id="n5"/>
& lt输入?type="text "?name="num6 "?id="n6"/>
& lt按钮?onclick = " num()" & gt;提取
& ltbr/>;
& ltp?id = " num " & gt& lt/p & gt;
& lt/body & gt;
& lt/html & gt;