<!DOCTYPE html>
<html>
<head>
<script type="text/javascript">
var isRun=true;
var a = ["张三","李四","王五","赵六","1","ww"];
var a2 = new Array();
var name = new Array();
function action(str){
var s = document.getElementById("bt").value;
if(s=="开始"){
isRun=true;
run();
document.getElementById("bt").value="结束";
}else{
isRun=false;
document.getElementById("bt").value="开始";
}
}
function run(){
var i = Math.floor(Math.random() * a.length+ 1)-1;
document.getElementById("show").innerHTML=a[i];
var m=a[i];
if(isRun==false){
var b =true;
for(var j in a2){
if(a2[j]==i){
b=false;
}
}
if(b){
a2[a2.length]=i;
name.push(a[i]);
document.getElementById("dm").innerHTML=name;
return;
}
}
setTimeout("run()",10);
}
</script>实现点名后可以输出历史纪录，为啥push存不进去~name一直是空的
<html>
<head>
<script type="text/javascript">
var isRun=true;
var a = ["张三","李四","王五","赵六","1","ww"];
var a2 = new Array();
var name = new Array();
function action(str){
var s = document.getElementById("bt").value;
if(s=="开始"){
isRun=true;
run();
document.getElementById("bt").value="结束";
}else{
isRun=false;
document.getElementById("bt").value="开始";
}
}
function run(){
var i = Math.floor(Math.random() * a.length+ 1)-1;
document.getElementById("show").innerHTML=a[i];
var m=a[i];
if(isRun==false){
var b =true;
for(var j in a2){
if(a2[j]==i){
b=false;
}
}
if(b){
a2[a2.length]=i;
name.push(a[i]);
document.getElementById("dm").innerHTML=name;
return;
}
}
setTimeout("run()",10);
}
</script>实现点名后可以输出历史纪录，为啥push存不进去~name一直是空的
