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javascript - 使用 JavaScript 更改按钮的背景颜色将不起作用

转载 作者:行者123 更新时间:2023-11-28 06:37:46 25 4
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我是 javascript 的新手,有一个我认为非常简单的问题,但无论我想做什么,我都无法解决这个问题。我正在制作一个垄断游戏,我想在玩家掷骰子后更改玩家当前位置的背景颜色。所有位置都是按钮,所有按钮都有 ID,并且所有按钮都有蓝色背景。我试图给它一个'!重要',但没有运气。即使使用 .css() 和 jQuery,我也尝试过这样做,但无济于事,

这是我的一些代码:

  <html>
<head>
<script src="jquery.js"></script>
<script src="jquery-ui.js"></script>
<link href="Style.css" rel="stylesheet"/>
<script src="JavaScript.js"></script>
</head>

<body onload="startPos()">
<div id="dialog"></div>
<div>
<span id="die1"></span>
<span id="die2"></span>
<button id="Roll" onclick ="dice()">Roll dice!</button>
<button id="MovePlayer" onclick="move()">Move Player</button>
<span id="DisplayMoney"></span>$
</div><br/></br></br>

<button id="btop1" disabled = "true"> City1</button>
<button id="btop2" disabled = "true"> City1</button>
<button id="btop3" disabled = "true"> City1</button>
<button id="btop4" disabled = "true"> Train</button>
<button id="btop5" disabled = "true"> City2</button>
<button id="btop6" disabled = "true"> City2</button>
<button id="btop7" disabled = "true"> City2</button>
<button id="btop8" disabled = "true"> Jail</button>
<button id="btop9" disabled = "true"> City1</button>
<button id="btop10" disabled = "true"> City1</button>
<button id="btop11" disabled = "true"> City1</button>
<button id="btop12" disabled = "true"> Train</button>
<button id="btop13" disabled = "true"> City2</button>
<button id="btop14" disabled = "true"> City2</button>
<button id="btop15" disabled = "true"> City2</button>
</body>
</html>

这是我的 javascript 中负责移动播放器的函数:

     pos1=1;
function move(){
/* old= old position, pos/cur=the position where
the player goes after rolling the dice */

old = document.getElementById("btop"+pos1);
old.disabled = true;
old.innerHTML=bname;
pos1=pos1+dicesum;
pos="btop"+pos1;
var cur = document.getElementById(pos);
bname=cur.innerHTML;
cur.innerHTML=content;
cur.disabled = false;
cur.style.backgroundColor="red";
var ans = confirm("Would you like to do something here?");
if(ans==true){
makeAction();
}
}

骰子函数:

function dice (){
console.log("dice function invoked");
var dice1 = Math.floor((Math.random() * 6) + 1);
var dice2 = Math.floor((Math.random() * 6) + 1);
dicesum = dice1 + dice2;

//Placing the dice pictures
var d1 = document.getElementById("die1");
var d2 = document.getElementById("die2");

switch(dice1)
{
case 1:
d1.innerHTML = '<img src=\'Photos/Dice/one.jpg\'>';
break;


case 2:
d1.innerHTML = '<img src=\'Photos/Dice/two.jpg\'>';
break;

case 3:
d1.innerHTML = '<img src=\'Photos/Dice/three.jpg\'>';
break;

case 4:
d1.innerHTML = '<img src=\'Photos/Dice/four.jpg\'>';
break;


case 5:
d1.innerHTML = '<img src=\'Photos/Dice/five.jpg\'>';
break;


case 6:
d1.innerHTML = '<img src=\'Photos/Dice/six.jpg\'>';
break;



}

switch(dice2)
{
case 1:
d2.innerHTML = '<img src=\'Photos/Dice/one.jpg\'>';
break;


case 2:
d2.innerHTML = '<img src=\'Photos/Dice/two.jpg\'>';
break;

case 3:
d2.innerHTML = '<img src=\'Photos/Dice/three.jpg\'>';
break;

case 4:
d2.innerHTML = '<img src=\'Photos/Dice/four.jpg\'>';
break;


case 5:
d2.innerHTML = '<img src=\'Photos/Dice/five.jpg\'>';
break;


case 6:
d2.innerHTML = '<img src=\'Photos/Dice/six.jpg\'>';
break;



}



}

和按钮的CSS:

button {
width: 120px;
height: 80px;
border-radius: 15px;
background: linear-gradient( #66b2ff, #e5f2ff);

}

#Roll{
width: 50px !important;
background: linear-gradient( #ff6666, #ffcccc) !important;
}
#MovePlayer{
width: 50px !important;
background: linear-gradient( #ff6666, #ffcccc) !important;
}

我确信这是一个我看不到的简单的东西,只是因为我是一个菜鸟在 JavaScript 中。为此,我求助于你们(和女孩们!)。我希望我把每件事都说清楚了,否则我会回答。感谢您的帮助。

最佳答案

我已经为您制作了 jsfiddle ...您只想更改按钮颜色..对吗?看我的DEMO

 <button id="btop1" class="yo" disabled = "true"> City1</button>
<button id="btop2" class="yo" disabled = "true"> City2</button>
<button id="btop3" class="yo" disabled = "true"> City3</button>
<button id="btop4" class="yo" disabled = "true"> City4</button>
<button id="btop5" class="yo" disabled = "true"> City5</button>
<button id="btop6" class="yo" disabled = "true"> City6</button>

<br/>
<button id="green" > throw dice</button>



$("#green").click(function(e){
window.yoyo=Math.floor(Math.random() * 6) + 1;
alert("You got "+window.yoyo);
$(".yo").css("background-color","white");
$("#btop"+window.yoyo).css("background-color","green");
});

Jsfiddle

关于javascript - 使用 JavaScript 更改按钮的背景颜色将不起作用,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/34532112/

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