一个简单的剪刀石头布游戏

//index.js
var playAction = process.argv[process.argv.length - 1];
console.log("玩家："+playAction)
var radom = Math.random() * 3;
var action;
if (radom < 1) {
    action = "剪刀";
} else if (radom > 2) {
    action = "石头";
} else {
    action = "布";
}
console.log("电脑："+action)
if(playAction==action){
    console.log("平局")
}else if(action == "剪刀"&&playAction=="石头"||action == "石头"&&playAction=="布"||action == "布"&&playAction=="剪刀"){
    console.log("你赢了")
}else{
    console.log("你输了")
}

输入终端代码：

node index "剪刀"

输出：

玩家：剪刀
电脑：石头
你输了