Home > Article > Web Front-end > How to implement a guessing game using JavaScript (detailed tutorial)
This article mainly introduces the object-oriented implementation of the guessing game in JavaScript, and analyzes the specific page layout, style and function-related operation skills of the object-oriented implementation of the guessing game in JavaScript based on a complete example. Friends in need can refer to the following
The example in this article describes the guessing game based on object-oriented implementation in JavaScript. Share it with everyone for your reference, the details are as follows:
html code:
<!doctype html> <html> <head> <meta charset="UTF-8"> <title>猜拳游戏</title> <link rel="stylesheet" href="css/game.css" rel="external nofollow" ></link> </head> <body> <p id="game"> <ul class="panel"> <li> <p class="name">我:name</p> <p class="anim user"></p> </li> <li> <p class="name">电脑:name</p> <p class="anim comp"></p> </li> </ul> <p class="op"> <button id="play" onclick = "game.Caiquan();">开始</button> </p> <p id="text" class="text">请开始游戏...</p> <ul id="guess" class="guess"> <li> <p class="guess0" onclick="game.verdict(0)">石头</p> </li> <li> <p class="guess1" onclick="game.verdict(1)">剪刀</p> </li> <li> <p class="guess2" onclick="game.verdict(2)">布</p> </li> </ul> </p> <script type="text/javascript" src="js/game.js"></script> </body> </html>
css style (font: mini cartoon)
*{ margin:0px; padding:0px; font-family:'迷你简卡通'; font-size:28px; } html,body{ width:100%; height:100%; background:rgba(244, 184, 202, 1); } ul{ list-style:none; } #game{ width:800px; height:600px; margin:auto; top:20%; } #game ul{ width:100%; height:415px; } #game ul li{ width:50%; height:100%; float:left; text-align:center; } #game ul li .anim{ width:223px; height:337px; border:10px solid #ff6699; border-radius:50%; margin:20px auto 0; background-position:center; background-repeat:no-repeat; } .user{ background:url('../img/readyl.png'); } .comp{ background:url('../img/readyr.png'); } #game .op{ width:100%; text-align:center; } #game .op button{ width:200px; height:60px; border:10px solid #ff6699; background:rgb(253, 217, 227); border-radius:50%; outline:none; cursor:pointer; font-weight:bold; } #game .op button:hover{ border-color:#ff0000; background-color:#ff0000; font-size:36px; color:rgb(253, 217, 227); } #game .op button.disabled{ border-color:#bbb; color:#bbb; background-color:#ccc; font-size:28px; cursor:default; } #game .guess{ width:220px; height:100%; position:fixed; top:0px; left:0px; display:none; } #game ul.guess li{ width:100%; height:32%; } #game ul.guess li p{ width:100%; height:90%; border:10px solid #ff6699; border-radius:50%; background-position:center; background-repeat:no-repeat; cursor:pointer; background-color:rgba(244, 184, 202, 1); } #game ul.guess li p:hover{ background-color:#ff6699; color:#fff; } p.guess0{ background-image:url('../img/0.png'); } p.guess1{ background-image:url('../img/1.png'); } p.guess2{ background-image:url('../img/2.png'); } #game p.text{ margin-top:20px; text-align:center; font-size:50px; font-weight:bold; }
js code
Function.prototype.extend = function( fn ){ for( var attr in fn.prototype ){ this.prototype[attr] = fn.prototype[attr]; } } //父级构造函数用于继承,共有属性 function Caiquan( name ){ this.name = name; this.point = 0; } //用于继承下面衍生,共有方法 Caiquan.prototype.guess = function(){} //继承父,玩家的构造函数 function User( name ){ Caiquan.call(this,name); } User.extend( Caiquan ); User.prototype.guess = function( point ){ return this.point = point; } //电脑的构造函数 function Comp( name ){ Caiquan.call(this,name); } Comp.extend( Caiquan ) ; //电脑的猜拳方法,随机 Comp.prototype.guess = function(){ return this.point = Math.floor( Math.random()*3 ); } //裁判构造函数 function Game( u , c ){ this.text = document.getElementById('text'); this.btn = document.getElementById("play"); this.user = u; this.comp = c; this.classN =document.getElementsByClassName('name'); this.guess = document.getElementById("guess"); this.anim = document.getElementsByClassName("anim"); this.num = 0; this.init(); this.tiemr = null; } Game.prototype.Caiquan = function(){ this.textValue( '请出拳...' ); this.BtnDisable(); this.start(); this.guess.style.display = 'block'; } //怎么玩 Game.prototype.start = function(){ var This = this; this.timer = setInterval(function(){ This.anim[0].className = 'anim user guess' +( ( This.num ++ ) % 3 ); This.anim[1].className = 'anim comp guess' + ( ( This.num ++ ) % 3 ) ; },500) } //初始化名字 Game.prototype.init = function(){ this.classN[0].innerHTML = '我:' + this.user.name; this.classN[1].innerHTML = '电脑:' + this.comp.name; } //提示面板区域的修改 Game.prototype.textValue = function( val ){ this.text.innerHTML = val; } //按钮失效 Game.prototype.BtnDisable = function(){ if( this.btn.disabled ){ this.btn.disabled = false; this.btn.className =''; this.btn.innerHTML = '再来一次' }else{ this.btn.disabled = true; this.btn.className ='disabled'; } } Game.prototype.verdict = function( point ){ clearInterval(this.timer); var userGu = user.guess(point); var compGu = comp.guess(); this.anim[0].className = 'anim user guess' + userGu; this.anim[1].className = 'anim comp guess' + compGu; var res = userGu - compGu; switch (res){ case 0: this.textValue('平局!!!') break; case 1: case -2: this.textValue('lose~~~'); break; case 2: case -1: this.textValue('win!!!') break; } this.guess.style.display = 'none'; this.BtnDisable(); } var user = new User( '锐雯' ); var comp = new Comp( '拉克丝' ); var game = new Game( user , comp );
The above is what I compiled for everyone. I hope it will be helpful to everyone in the future.
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