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@@ -3,11 +3,12 @@
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
+ <meta name="color-scheme" content="dark light">
<link rel="icon" href="data:,">
<title>Easy Toggle Switches</title>
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+<style>*{box-sizing:border-box;}body{font-family:sans-serif;line-height:1.33;margin:0 auto;max-width:650px;padding:1rem;}blockquote{background:rgba(0,0,0,0.1);border-left:4px solid;padding-left:5px;}img{max-width:100%;}pre{border:1px solid;overflow:auto;padding:5px;}table{text-align:left;width:100%;}.footnotes{font-size:90%;}</style>
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@@ -16,29 +17,19 @@
<main>
<h1 id="easy-toggle-switches">Easy Toggle Switches</h1>
-
<p>2019-02-18</p>
-
<p>Sometimes there is a need to use toggle elements in-place of the default <code>checkbox</code> inputs. The problem is, I tend to see a lot of developers reaching for plugins or JavaScript components in order to implement these toggles.</p>
-
<p><em>This is overkill</em>. You can create your own custom <code>input</code> elements to mimic toggles perfectly with just a small amount of CSS.</p>
-
<h2 id="what-we-will-be-building">What we will be building</h2>
-
<p><img src="/public/images/easy-toggle-switches.png" alt="Easy toggle switches" /></p>
-
<p><a href="https://codepen.io/bradleytaunt/pen/bGgbajY">Live CodePen Example</a></p>
-
<h2 id="the-html">The HTML</h2>
-
<p>The build structure for these toggles is really simple, we only need:</p>
-
<ul>
<li><p>a parent container to hold all our corresponding elements</p></li>
<li><p>a checkbox <code>input</code> element (which we will hide)</p></li>
<li><p>an empty label designed to represent the slider</p></li>
<li><p>a text label that references the <code>input</code> </p>
-
<p>&#47;* Main toggle parent container <em>&#47;
&#47;</em> Checkbox input, hidden with CSS <em>&#47;
@@ -49,17 +40,11 @@
Toggle Switch
</p></li>
</ul>
-
<p>And that&#8217;s everything we need for the HTML.</p>
-
<p><strong>ProTip:</strong> Don&#8217;t forget to increment both the <code>id</code> and <code>for</code> attributes when adding additional toggles. This seems like a no-brainer but it&#8217;s overlooked more than you think.</p>
-
<h2 id="the-css">The CSS</h2>
-
<p>To get things started we will add the styling to the <code>.toggle-switch</code> item directly (using <code>flexbox</code> in this demo for easier layout).</p>
-
<p><strong>Sidenote</strong>: You will notice the inclusion of CSS variables in this demo - if you are unfamiliar with how to use root variables in CSS, take a look at one of my previous posts: CSS variables.</p>
-
<pre><code>:root {
--primary-color: #4A90E2;
}
@@ -72,18 +57,14 @@
margin: 20px 0;
}
</code></pre>
-
<p>Next we will hide the default browser checkbox element since we won&#8217;t be needing it:</p>
-
<pre><code>.toggle-input {
position: absolute;
visibility: hidden;
z-index: -1;
}
</code></pre>
-
<p>Let&#8217;s also add some base styling for the <code>label</code> containing the text corresponding to it&#8217;s <code>input</code> sibling:</p>
-
<pre><code>.toggle-label {
color: #ccc;
cursor: pointer;
@@ -93,9 +74,7 @@
transition: ease all .3s;
}
</code></pre>
-
<p>Now we target the <code>.toggle-slider</code> label and add the styling for the main slider base:</p>
-
<pre><code>&#47;* This is just the main slider base *&#47;
.toggle-slider {
background: #eee;
@@ -111,9 +90,7 @@
width: 40px;
}
</code></pre>
-
<p>We <em>could</em> include a separate element for the circle toggle switcher itself, but instead we will use the <code>:before</code> pseudo element:</p>
-
<pre><code>.toggle-slider:before {
background: white;
border-radius: 9999px;
@@ -128,11 +105,8 @@
width: 16px;
}
</code></pre>
-
<h3 id="interaction">Interaction</h3>
-
<p>Right now we just have a static toggle that does nothing when the user interacts with it. Let&#8217;s change that by moving the pseudo element&#8217;s position based on the checkbox <code>input</code> state and updating the label text color:</p>
-
<pre><code>.toggle-input:checked + .toggle-slider {
background: var(--primary-color);
}
@@ -145,15 +119,10 @@
color: var(--primary-color);
}
</code></pre>
-
<p>And because we already included the <code>transition</code> property on both the base slider and label text, everything animates nicely between state changes.</p>
-
<h2 id="final-code">Final code</h2>
-
<p>To make things easier, you can find the HTML &#38; CSS is their entirety below:</p>
-
<h3 id="html">HTML</h3>
-
<pre><code>&#60;div class="toggle-switch"&#62;
&#60;input class="toggle-input" type="checkbox" id="toggle-1"&#62;
&#60;label class="toggle-slider" for="toggle-1"&#62;&#60;&#47;label&#62;
@@ -175,9 +144,7 @@
&#60;label class="toggle-label" for="toggle-4"&#62;Toggle Switch&#60;&#47;label&#62;
&#60;&#47;div&#62;
</code></pre>
-
<h3 id="the-css-1">The CSS</h3>
-
<pre><code>:root {
--primary-color: #4A90E2;
}
@@ -237,7 +204,6 @@
color: var(--primary-color);
}
</code></pre>
-
<p>Enjoy your custom toggles!</p>
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