JavaScript使用数学随机数来实现一个猜谜游戏。

请输入您的打卡号码

& ltbutton & gt竞争

& ltdiv & gt& lt/div & gt;

& lt脚本& gt

window.onload=function(){

document.querySelector("button ")。onclick=function(){

var?m = document . query selector(" div ");

var?x 1 = Number(document . query selector(" input ")。值);

if(x 1 & lt;1 | | x 1 & gt;3){

M.innerHTML= "您输入的数字有误,只能是1,2,3 ";

}否则{

var?x2 = math . floor(math . random()* 3)+1;

m . innerhtml = " Results:";

if(x1==x2){

m . innerhtml+= " even ";

}别的?if((x2-x 1)= = 1 | |(x 1-x2)= = 2){

M.innerHTML+= "你赢了";

}否则{

M.innerHTML+= "你输了";

}

m . innerhtml+= " & lt;br?/& gt;你打卡:"+x 1+" & lt;br?/& gt;电脑出拳:“+x2;

}

}

}

& lt/script & gt;