菜单(不接受JavaScript)
菜单(不接受JavaScript)
提问于 2018-06-21 03:43:55
我有一个我正在制作的游戏的菜单。它使用JavaScript通过更改按钮的样式和内容的显示在菜单页面之间切换。但是，当我运行它并单击三个菜单按钮中的任何一个时，没有任何反应。它说函数不是函数。这可能是一个愚蠢的错误，但请帮帮忙。提前感谢您的帮助。
下面是我的代码：
<!DOCTYPE html>
<html>
<head>
<style>
html, body {
background: linear-gradient(to bottom,#7EC0EE,#C1E5FF);
height: 100%;
width: 100%;
margin: 0;
}
#menu {
color: rgba(0,0,0,0.7);
font-family: Segoe UI;
background: #915921;
padding-left: 15px;
padding-top: 45px;
font-size: 17px;
position: fixed;
height: 50%;
width: 100%;
left: 0px;
top: 0px;
}
#menubar {
background: transparent;
color: rgba(0,0,0,0.6);
text-align: center;
line-height: 40px;
font-size: 20px;
position: fixed;
height: 40px;
width: 100%;
left: 0px;
top: 0px;
}
#first {
transition: background 0.5s;
background: transparent;
position: absolute;
height: 40px;
width: 33%;
left: 0px;
top: 0px;
}
#first:hover {
background: transparent;
}
#firstcontent {
display: block;
}
#second {
transition: background 0.5s;
background: rgba(0,0,0,0.2);
position: absolute;
height: 40px;
width: 33%;
left: 33%;
top: 0px;
}
#second:hover {
background: transparent;
}
#secondcontent {
display: none;
}
#third {
transition: background 0.5s;
background: rgba(0,0,0,0.2);
position: absolute;
height: 40px;
width: 34%;
left: 66%;
top: 0px;
}
#third:hover {
background: transparent;
}
#thirdcontent {
display: none;
}
</style>
</head>
<body>
<div id="menu">
<div id="menubar">
<div id="first" onclick="first()">FIRST</div>
<div id="second" onclick="second()">SECOND</div>
<div id="third" onclick="third()">THIRD</div>
</div>
<div id="firstcontent">
First
</div>
<div id="secondcontent">
Second
</div>
<div id="thirdcontent">
Third
</div>
</div>
<script>
var first = document.getElementById("first");
var firstcontent = document.getElementById("firstcontent");
var second = document.getElementById("second");
var secondcontent = document.getElementById("secondcontent");
var third = document.getElementById("third");
var thirdcontent = document.getElementById("thirdcontent");
function first() {
first.style.background = "transparent";
firstcontent.style.display = "block";
second.style.background = "rgba(0,0,0,0.2)";
secondcontent.style.display = "none";
third.style.background = "rgba(0,0,0,0.2)";
thircontent.style.display = "none";
}
function second() {
first.style.background = "rgba(0,0,0,0.2)";
firstcontent.style.display = "none";
second.style.background = "transparent";
secondcontent.style.display = "block";
third.style.background = "rgba(0,0,0,0.2)";
thircontent.style.display = "none";
}
function third() {
first.style.background = "rgba(0,0,0,0.2)";
firstcontent.style.display = "none";
second.style.background = "rgba(0,0,0,0.2)";
secondcontent.style.display = "none";
third.style.background = "transparent";
thircontent.style.display = "block";
}
</script>
</body>
</html>
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/50955937
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