<!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>
HTML5 history-hash 随机选择彩票
原文地址：https://www.cnblogs.com/moon-yyl/p/9063718.html