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w3schools.comの"How To - Side Navigation"を画面の右側から表示しようとしていますが、難しかったです。私の試みと同様に、w3schoolsの例を以下に示します。左向きのオフスクリーンナビゲーションバーを画面の右側に翻訳する際の問題
私は私の試みで見つけた、「X」終了のためのボタンがナビゲーションバーの高さは 順不同リストの高さだけで&ウェブページ 永続的である（が、まだ機能しています）。
Sidenav押し例（左）：
<!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;
}
.sidenav .closebtn {
position: absolute;
top: 0;
right: 25px;
font-size: 36px;
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;}
}
</style>
<body>
<div id="mySidenav" class="sidenav">
<a href="javascript:void(0)" class="closebtn" onclick="closeNav()">×</a>
<a href="#">About</a>
<a href="#">Services</a>
<a href="#">Clients</a>
<a href="#">Contact</a>
</div>
<div id="main">
<h2>Sidenav Push Example</h2>
<p>Click on the element below to open the side navigation menu, and push this content to the right.</p>
<span style="font-size:30px;cursor:pointer" onclick="openNav()">☰ open</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";
}
</script>
</body>
</html>
私の試み：私は右から来てSidenav例を押して変更するために何ができる
<!DOCTYPE html>
<html>
<style>
body {
font-family: "Lato", sans-serif;
}
.sidenav {
height: 100%;
width: 0;
position: inherit;
z-index: 1;
top: 0;
left: 0;
float: right;
background-color: #4D394B;
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: 0.0s
}
.sidenav a:hover, .offcanvas a:focus{
color: #f1f1f1;
}
.sidenav .closebtn {
float: left;
position: absolute;
top: 0;
right: 25px;
font-size: 36px;
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;}
}
</style>
<body>
<div id="mySidenav" class="sidenav">
<a href="javascript:void(0)" class="closebtn" onclick="closeNav()">×</a>
<a href="#">About</a>
<a href="#">Services</a>
<a href="#">Clients</a>
<a href="#">Contact</a>
</div>
<div id="main">
<h2>Sidenav Push Example</h2>
<p>Click on the element below to open the side navigation menu, and push this content to the right.</p>
<span style="font-size:30px;cursor:pointer" onclick="openNav()">☰ open</span>
<p>Click on the element below to open the side navigation menu, and push this content to the right.</p>
<p>Click on the element below to open the side navigation menu, and push this content to the right.</p>
<p>Click on the element below to open the side navigation menu, and push this content to the right.</p>
<p>Click on the element below to open the side navigation menu, and push this content to the right.</p>
<p>Click on the element below to open the side navigation menu, and push this content to the right.</p>
<p>Click on the element below to open the side navigation menu, and push this content to the right.</p>
<p>Click on the element below to open the side navigation menu, and push this content to the right.</p>
<p>Click on the element below to open the side navigation menu, and push this content to the right.</p>
</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";
}
</script>
</body>
</html>
画面の？あなたはright: 0;に.sidenavでleft: 0;を変更し、スクリプトであなたがstyle.marginLeftstyle.marginRightに変更するには、このよう