<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
<script>
window.onload = function(){
var oInput = document.getElementsByTagName('input')[0];
var oDiv = document.getElementsByTagName('div')[0];
var json = {};
oInput.onclick = function(){
var num = Math.random();
var arr = randomNum(35,7);
json[num] = arr;
window.location.hash = num;
oDiv.innerHTML = arr;
};
window.onhashchange = function(){
oDiv.innerHTML = json[window.location.hash.substring(1)];
};
};
function randomNum(iNumber,iNow){
var arrNumber = [];
var newNumber = [];
for(var i=0;i<=iNumber;i++){
arrNumber.push(i);
}
for(var i=0;i<iNow;i++){
newNumber.push(arrNumber.splice(Math.floor(Math.random()*arrNumber.length),1));
}
return newNumber;
}
</script>
</head>
<body>
<input type="button" value="产生随机数"/>
<div></div>
</body>
</html>
