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javascript - (Javascript) 如何在我的双骰子游戏页面上显示当前分数?

转载 作者:行者123 更新时间:2023-12-03 00:03:06 26 4
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目前我的游戏已经完成,但玩家可以看到自己得分的唯一方式是在掷骰子、升级或退出游戏时通过警报框,我正在尝试弄清楚如何在游戏中添加实时得分页面,以便更轻松地跟踪。

任何帮助将不胜感激!我尝试了 document.write 方法,但它删除了我的整个游戏并只显示结果,所以我对此有点迷失。

var myscore = 0;
var housescore = 0;
var dicesides = 6;

function rollDice() {
var x = Math.floor(Math.random() * dicesides) + 1;
var y = Math.floor(Math.random() * dicesides) + 1;

var total = x + y;
msg = "You rolled " + x + ", " + y + " = " + total + "\n";
if (total != 11 && total < 7 && x != y) {
housescore += 1;
msg += "Even Up";
} else if (total != 11 && total > 7 && x != y) {
myscore += 1;
msg += "Player Up";
}
if (total == 7 || total == 11) {
housescore += 10;
msg += "CRAPS";
} else if (x == y) {
if (x % 2 == 0) {
myscore += 10;
msg += "Even Up";
} else {
housescore += 10;
msg += "Odd Ball";
}
}
msg += " Your Score is " + "Player: " + myscore + ", House: " + housescore;
alert(msg);
didIwin();

}

function didIwin() {
if (housescore >= 100) {
alert("Sorry the house won the game!");
} else if (playerscore >= 100) {
alert("Congratulations you won the game!");
}
myscore = 0;
housescore = 0;
dicesides = 6;
}

function promoteDice() {
if (myscore >= 10) {
dicesides += 1;
myscore -= 10;
alert("Your Dice now have " + dicesides + " sides" + " You have " + myscore + " points remaining.");
} else {
difference = 10 - myscore;
alert("You need " + difference + " more points");
}
}

function demoteDice() {
if (myscore >= 10) {
dicesides -= 1;
myscore -= 10;
alert("Your Dice now have " + dicesides + " sides." + " You have " + myscore + " points remaining.");
} else {
difference = 10 - myscore;
alert("You need " + difference + " more points");
}
}

function addRoll() {
if (myscore >= 50) {
rollDice();
rollDice();
myscore -= 50;
alert("Nice double roll! You have " + myscore + " points remaining.");
} else {
difference = 50 - myscore;
alert("You need " + difference + " more points");
}
}

function quit() {
alert(" Your Score is " + "Player: " + myscore + ", House: " + housescore);
alert("The game is now reset");
myscore = 0;
housescore = 0;
dicesides = 6;
}
/* When the user clicks on the button,
toggle between hiding and showing the dropdown content */
function myFunction() {
document.getElementById("myDropdown").classList.toggle("show");
}

// Close the dropdown if the user clicks outside of it
window.onclick = function(e) {
if (!e.target.matches('.dropbtn')) {
var myDropdown = document.getElementById("myDropdown");
if (myDropdown.classList.contains('show')) {
myDropdown.classList.remove('show');
}
}
}
.navbar {
overflow: hidden;
background-color: #333;
font-family: Arial, Helvetica, sans-serif;
}

.navbar a {
float: left;
font-size: 16px;
color: white;
text-align: center;
padding: 14px 16px;
text-decoration: none;
}

.dropdown {
float: left;
overflow: hidden;
}

.dropdown .dropbtn {
cursor: pointer;
font-size: 16px;
border: none;
outline: none;
color: white;
padding: 14px 16px;
background-color: inherit;
font-family: inherit;
margin: 0;
}

.navbar a:hover,
.dropdown:hover .dropbtn,
.dropbtn:focus {
background-color: red;
}

.dropdown-content {
display: none;
position: absolute;
background-color: #f9f9f9;
min-width: 160px;
box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
z-index: 1;
}

.dropdown-content a {
float: none;
color: black;
padding: 12px 16px;
text-decoration: none;
display: block;
text-align: left;
}

.dropdown-content a:hover {
background-color: #ddd;
}

.show {
display: block;
}
<!DOCTYPE html>
<html>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">

</head>

<body>

<div class="navbar">
<a href="#" onclick="rollDice();">Roll</a>
<a href="#" onclick="quit();">Exit</a>
<div class="dropdown">
<button class="dropbtn" onclick="myFunction()">Upgrade
<i class="fa fa-caret-down"></i>
</button>
<div class="dropdown-content" id="myDropdown">
<a href="#" onclick="promoteDice();">Add a side to your Dice</a>
<a href="#" onclick="demoteDice();">Remove a side to your Dice</a>
<a href="#" onclick="addRoll();">Add an additional Roll</a>
</div>
</div>
</div>

<h3>Welcome to the Craps game!</h3>


</html>

最佳答案

纯 JavaScript

您可以使用document.getElementById()获取元素,并且 .innerHTML更改元素的文本。

我为您创建了一个 updateHTML() 函数,它会为您更新 html。

var myscore = 0;
var housescore = 0;
var dicesides = 6;
var myScoreElement = document.getElementById("myScore");
var houseScoreElement = document.getElementById("houseScore");

function rollDice() {
var x = Math.floor(Math.random() * dicesides) + 1;
var y = Math.floor(Math.random() * dicesides) + 1;

var total = x + y;
msg = "You rolled " + x + ", " + y + " = " + total + "\n";
if (total != 11 && total < 7 && x != y) {
housescore += 1;
msg += "Even Up";
} else if (total != 11 && total > 7 && x != y) {
myscore += 1;
msg += "Player Up";
}
if (total == 7 || total == 11) {
housescore += 10;
msg += "CRAPS";
} else if (x == y) {
if (x % 2 == 0) {
myscore += 10;
msg += "Even Up";
} else {
housescore += 10;
msg += "Odd Ball";
}
}
msg += " Your Score is " + "Player: " + myscore + ", House: " + housescore;
alert(msg);

updateHTML();

didIwin();

}

function didIwin() {
if (housescore >= 100) {
alert("Sorry the house won the game!");
} else if ( /*this should be myscore*/ myscore >= 100) {
alert("Congratulations you won the game!");
}
myscore = 0;
housescore = 0;
dicesides = 6;
}

function promoteDice() {
if (myscore >= 10) {
dicesides += 1;
myscore -= 10;
alert("Your Dice now have " + dicesides + " sides" + " You have " + myscore + " points remaining.");
} else {
difference = 10 - myscore;
alert("You need " + difference + " more points");
}
updateHTML();
}

function demoteDice() {
if (myscore >= 10) {
dicesides -= 1;
myscore -= 10;
alert("Your Dice now have " + dicesides + " sides." + " You have " + myscore + " points remaining.");
} else {
difference = 10 - myscore;
alert("You need " + difference + " more points");
}
updateHTML();
}

function addRoll() {
if (myscore >= 50) {
rollDice();
rollDice();
myscore -= 50;
alert("Nice double roll! You have " + myscore + " points remaining.");
} else {
difference = 50 - myscore;
alert("You need " + difference + " more points");
}
updateHTML();
}

function quit() {
alert(" Your Score is " + "Player: " + myscore + ", House: " + housescore);
alert("The game is now reset");
myscore = 0;
housescore = 0;
dicesides = 6;
updateHTML();
}

//This is what I added
function updateHTML() {
myScoreElement.innerHTML = "My Score: " + myscore;
houseScoreElement.innerHTML = "House Score: " + housescore;
}
/* When the user clicks on the button,
toggle between hiding and showing the dropdown content */
function myFunction() {
document.getElementById("myDropdown").classList.toggle("show");
}

// Close the dropdown if the user clicks outside of it
window.onclick = function(e) {
if (!e.target.matches('.dropbtn')) {
var myDropdown = document.getElementById("myDropdown");
if (myDropdown.classList.contains('show')) {
myDropdown.classList.remove('show');
}
}
}
.navbar {
overflow: hidden;
background-color: #333;
font-family: Arial, Helvetica, sans-serif;
}

.navbar a {
float: left;
font-size: 16px;
color: white;
text-align: center;
padding: 14px 16px;
text-decoration: none;
}

.dropdown {
float: left;
overflow: hidden;
}

.dropdown .dropbtn {
cursor: pointer;
font-size: 16px;
border: none;
outline: none;
color: white;
padding: 14px 16px;
background-color: inherit;
font-family: inherit;
margin: 0;
}

.navbar a:hover,
.dropdown:hover .dropbtn,
.dropbtn:focus {
background-color: red;
}

.dropdown-content {
display: none;
position: absolute;
background-color: #f9f9f9;
min-width: 160px;
box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
z-index: 1;
}

.dropdown-content a {
float: none;
color: black;
padding: 12px 16px;
text-decoration: none;
display: block;
text-align: left;
}

.dropdown-content a:hover {
background-color: #ddd;
}

.show {
display: block;
}
<!DOCTYPE html>
<html>

<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
</head>

<body>

<div class="navbar">
<a href="#" onclick="rollDice();">Roll</a>
<a href="#" onclick="quit();">Exit</a>
<div class="dropdown">
<button class="dropbtn" onclick="myFunction()">Upgrade
<i class="fa fa-caret-down"></i>
</button>
<div class="dropdown-content" id="myDropdown">
<a href="#" onclick="promoteDice();">Add a side to your Dice</a>
<a href="#" onclick="demoteDice();">Remove a side to your Dice</a>
<a href="#" onclick="addRoll();">Add an additional Roll</a>
</div>
</div>
</div>

<h3>Welcome to the Craps game!</h3>
<h3 id="myScore">My Score: </h3>
<h3 id="houseScore">House Score: </h3>
</body>

</html>

jQuery

您还可以使用jQuery像下面这样。这使用 jQuery 选择器 # 来选择元素,并且 .html()更改元素的文本。

我还添加了fancy ES6 template literals.它们非常有用,我强烈建议您查看它们。

“代码”+变量+“更多代码”`Code ${variable}模式代码`相同

var myscore = 0;
var housescore = 0;
var dicesides = 6;

function rollDice() {
var x = Math.floor(Math.random() * dicesides) + 1;
var y = Math.floor(Math.random() * dicesides) + 1;

var total = x + y;
msg = `You rolled ${x}, ${y} = ${total} \n`;
if (total != 11 && total < 7 && x != y) {
housescore += 1;
msg += "Even Up";
} else if (total != 11 && total > 7 && x != y) {
myscore += 1;
msg += "Player Up";
}
if (total == 7 || total == 11) {
housescore += 10;
msg += "CRAPS";
} else if (x == y) {
if (x % 2 == 0) {
myscore += 10;
msg += "Even Up";
} else {
housescore += 10;
msg += "Odd Ball";
}
}
msg += ` Your Score is Player: ${myscore}, House: ${housescore}`;
alert(msg);

updateHTML();

didIwin();

}

function didIwin() {
if (housescore >= 100) {
alert("Sorry the house won the game!");
} else if ( /*this should be myscore*/ myscore >= 100) {
alert("Congratulations you won the game!");
}
myscore = 0;
housescore = 0;
dicesides = 6;
}

function promoteDice() {
if (myscore >= 10) {
dicesides += 1;
myscore -= 10;
alert(`Your Dice now have ${diceside} sides You have ${myscore} points remaining.`);
} else {
difference = 10 - myscore;
alert(`You need ${difference} more points`);
}
updateHTML();
}

function demoteDice() {
if (myscore >= 10) {
dicesides -= 1;
myscore -= 10;
alert(`Your Dice now have ${dicesides} sides. You have ${myscore} points remaining.`);
} else {
difference = 10 - myscore;
alert(`You need ${difference} more points`);
}
updateHTML();
}

function addRoll() {
if (myscore >= 50) {
rollDice();
rollDice();
myscore -= 50;
alert(`Nice double roll! You have ${myscore} points remaining.`);
} else {
difference = 50 - myscore;
alert(`You need ${difference} more points`);
}
updateHTML();
}

function quit() {
alert(` Your Score is Player: ${myscore}, House: ${housescore}`);
alert("The game is now reset");
myscore = 0;
housescore = 0;
dicesides = 6;
updateHTML();
}

//This is what I added
function updateHTML() {
$("#myScore").html(`My Score: ${myscore}`);
$("#houseScore").html(`House Score: ${housescore}`);
}
/* When the user clicks on the button,
toggle between hiding and showing the dropdown content */
function myFunction() {
$("#myDropdown").toggleClass("show");
}

// Close the dropdown if the user clicks outside of it
$(window).click(function(e) {
if (!e.target.matches('.dropbtn')) {
var myDropdown = $("#myDropdown");
if (myDropdown.hasClass('show')) {
myDropdown.removeClass('show');
}
}
})
.navbar {
overflow: hidden;
background-color: #333;
font-family: Arial, Helvetica, sans-serif;
}

.navbar a {
float: left;
font-size: 16px;
color: white;
text-align: center;
padding: 14px 16px;
text-decoration: none;
}

.dropdown {
float: left;
overflow: hidden;
}

.dropdown .dropbtn {
cursor: pointer;
font-size: 16px;
border: none;
outline: none;
color: white;
padding: 14px 16px;
background-color: inherit;
font-family: inherit;
margin: 0;
}

.navbar a:hover,
.dropdown:hover .dropbtn,
.dropbtn:focus {
background-color: red;
}

.dropdown-content {
display: none;
position: absolute;
background-color: #f9f9f9;
min-width: 160px;
box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
z-index: 1;
}

.dropdown-content a {
float: none;
color: black;
padding: 12px 16px;
text-decoration: none;
display: block;
text-align: left;
}

.dropdown-content a:hover {
background-color: #ddd;
}

.show {
display: block;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<!DOCTYPE html>
<html>

<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
</head>

<body>

<div class="navbar">
<a href="#" onclick="rollDice();">Roll</a>
<a href="#" onclick="quit();">Exit</a>
<div class="dropdown">
<button class="dropbtn" onclick="myFunction()">Upgrade
<i class="fa fa-caret-down"></i>
</button>
<div class="dropdown-content" id="myDropdown">
<a href="#" onclick="promoteDice();">Add a side to your Dice</a>
<a href="#" onclick="demoteDice();">Remove a side to your Dice</a>
<a href="#" onclick="addRoll();">Add an additional Roll</a>
</div>
</div>
</div>

<h3>Welcome to the Craps game!</h3>
<h3 id="myScore">My Score: </h3>
<h3 id="houseScore">House Score: </h3>
</body>

</html>

关于javascript - (Javascript) 如何在我的双骰子游戏页面上显示当前分数?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/55089975/

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