[英]JavaScript (Have one button open and close something)
我目前有一个汉堡菜单,当您单击该汉堡时,它将变成一个x。 我想要这样,以便当您单击汉堡包时,它将打开菜单,如果您单击x,则将关闭菜单。
到目前为止,这是我的代码。
<!DOCTYPE html>
<html>
<style>
body {
font-family: "Lato", sans-serif;
}
.sidenav {
height: 100%;
width: 0;
position: fixed;
z-index: 1;
top: 0;
left: 0;
background-color: #111;
overflow-x: hidden;
transition: 0.5s;
padding-top: 60px;
}
.sidenav a {
padding: 8px 8px 8px 32px;
text-decoration: none;
font-size: 25px;
color: #818181;
display: block;
transition: 0.3s
}
.sidenav a:hover, .offcanvas a:focus{
color: #f1f1f1;
}
.closebtn {
position: absolute;
top: 0;
right: 25px;
font-size: 36px !important;
margin-left: 50px;
}
#main {
transition: margin-left .5s;
padding: 16px;
}
@media screen and (max-height: 450px) {
.sidenav {padding-top: 15px;}
.sidenav a {font-size: 18px;}
}
.container {
display: inline-block;
cursor: pointer;
}
.bar1, .bar2, .bar3 {
width: 35px;
height: 5px;
background-color: #333;
margin: 6px 0;
transition: .9s;
}
.change .bar1 {
-webkit-transform: rotate(-45deg) translate(-9px, 6px) ;
transform: rotate(-45deg) translate(-9px, 6px) ;
}
.change .bar2 {opacity: 0;}
.change .bar3 {
-webkit-transform: rotate(45deg) translate(-8px, -8px) ;
transform: rotate(45deg) translate(-8px, -8px) ;
}
</style>
<body>
<div id="mySidenav" class="sidenav">
<a href="#">...</a>
<a href="#">...</a>
<a href="#">...</a>
<a href="#">...</a>
</div>
<div id="main">
<span style="cursor:pointer" onclick="openNav(); closeNav()>
<div class="container" onclick="myFunction(this)">
<div class="bar1"></div>
<div class="bar2"></div>
<div class="bar3"></div>
</div>
</span>
</div>
<script>
function openNav() {
document.getElementById("mySidenav").style.width = "250px";
document.getElementById("main").style.marginLeft = "250px";
}
function closeNav() {
document.getElementById("mySidenav").style.width = "0";
document.getElementById("main").style.marginLeft= "0";
}
function myFunction(x) {
x.classList.toggle("change");
}
</script>
</body>
</html>
您可以使用如下所示的切换功能:
function toggleNav() {
var sidenav = document.getElementById("mySidenav"),
main = document.getElementById("main");
sidenav.style.width = sidenav.style.width === "250px" ? '0' : '250px';
main.style.marginLeft = main.style.marginLeft === "250px" ? '0' : '250px';
}
HTML:
<span style="cursor:pointer" onclick="toggleNav();">...</span>
一个简单的解决方法是将两个类分配给该按钮。 说class =“ Original Open”,即一个类别=原始,另一个类别=开放
现在,在您的Javascript文件中,首先找到原始类,为Open类编写一个onclick函数。在该onclick函数中,显示菜单容器,并在第一次单击该按钮时向该按钮添加另一个类,例如“ Close”,然后删除类“开放”。
现在,为类“ Close”编写onclick函数,该函数将隐藏菜单,并删除该类“ Close”并再次添加类“ Open”。
简单的逻辑..!
这就是我用的。
$(".button").click(function(){
$(this).toggleClass("open close");
});
function myFunction(x) { document.getElementById("mySidenav").classList.toggle("open"); x.classList.toggle("change"); }
body { font-family: "Lato", sans-serif; } .sidenav { height: 100%; width: 0; position: fixed; z-index: 1; top: 0; left: 0; background-color: #111; overflow-x: hidden; transition: 0.5s; padding-top: 60px; } .sidenav a { padding: 8px 8px 8px 32px; text-decoration: none; font-size: 25px; color: #818181; display: block; transition: 0.3s } .sidenav a:hover, .offcanvas a:focus{ color: #f1f1f1; } .closebtn { position: absolute; top: 0; right: 25px; font-size: 36px !important; margin-left: 50px; } #main { transition: margin-left .5s; padding: 16px; } @media screen and (max-height: 450px) { .sidenav {padding-top: 15px;} .sidenav a {font-size: 18px;} } .container { display: inline-block; cursor: pointer; } .bar1, .bar2, .bar3 { width: 35px; height: 5px; background-color: #333; margin: 6px 0; transition: .9s; } .change .bar1 { -webkit-transform: rotate(-45deg) translate(-9px, 6px) ; transform: rotate(-45deg) translate(-9px, 6px) ; } .change .bar2 {opacity: 0;} .change .bar3 { -webkit-transform: rotate(45deg) translate(-8px, -8px) ; transform: rotate(45deg) translate(-8px, -8px) ; } /* ----- START ----- */ .open { width: 250px; } .open ~ #main { margin-left: 250px; } /* ----- END ----- */
<div id="mySidenav" class="sidenav"> <a href="#">...</a> <a href="#">...</a> <a href="#">...</a> <a href="#">...</a> </div> <div id="main"> <span style="cursor:pointer"> <div class="container" onclick="myFunction(this)"> <div class="bar1"></div> <div class="bar2"></div> <div class="bar3"></div> </div> </span> </div>
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