HTMX UI
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    Components

    Toggle

    A two-state button that is either on or off. Any button variant can be a toggle.

    View .md
    html 
    <button class="btn btn-toggle btn-icon" data-toggle aria-pressed="false" aria-label="Bold"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="size-4" aria-hidden="true"><path d="M6 12h9a4 4 0 0 1 0 8H7a1 1 0 0 1-1-1V5a1 1 0 0 1 1-1h7a4 4 0 0 1 0 8"/></svg></button>

    Usage#

    • Add data-toggle and aria-pressed="false" (or "true" to start on) to any .btn.
    • Each click flips aria-pressed, which screen readers announce as "pressed" or "not pressed". Styles key off the same attribute.
    • The button fires a bubbling toggle:change event with detail.pressed.
    • Keep the label the same in both states. "Bold" pressed reads correctly; switching the text to "Not bold" doesn't.

    Any button#

    .btn-toggle is the dedicated look: muted when off, filled when on. Every other variant works too: ghost and outline fill when on, secondary turns the brand colour, and primary and danger are outlined when off and solid when on. Click them:

    html 
    <button class="btn btn-toggle" data-toggle aria-pressed="true"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="size-4" aria-hidden="true"><path d="M19 4h-9M14 20H5M15 4 9 20"/></svg> Toggle</button>
<button class="btn btn-ghost" data-toggle aria-pressed="false">Ghost</button>
<button class="btn btn-outline" data-toggle aria-pressed="false"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="size-4" aria-hidden="true"><path d="M11.525 2.295a.53.53 0 0 1 .95 0l2.31 4.679a2.123 2.123 0 0 0 1.595 1.16l5.166.756a.53.53 0 0 1 .294.904l-3.736 3.638a2.123 2.123 0 0 0-.611 1.878l.882 5.14a.53.53 0 0 1-.771.56l-4.618-2.428a2.122 2.122 0 0 0-1.973 0L6.396 21.01a.53.53 0 0 1-.77-.56l.881-5.139a2.122 2.122 0 0 0-.611-1.879L2.16 9.795a.53.53 0 0 1 .294-.906l5.165-.755a2.122 2.122 0 0 0 1.597-1.16z"/></svg> Outline</button>
<button class="btn btn-secondary" data-toggle aria-pressed="false">Secondary</button>
<button class="btn btn-primary" data-toggle aria-pressed="false">Primary</button>
<button class="btn btn-danger" data-toggle aria-pressed="false">Danger</button>
<button class="btn btn-link" data-toggle aria-pressed="false">Link</button>

    Sizes and shapes#

    html 
    <button class="btn btn-toggle btn-outline btn-icon btn-sm" data-toggle aria-pressed="false" aria-label="Underline"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="size-4" aria-hidden="true"><path d="M6 4v6a6 6 0 0 0 12 0V4M4 20h16"/></svg></button>
<button class="btn btn-toggle btn-outline btn-icon" data-toggle aria-pressed="true" aria-label="Underline"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="size-4" aria-hidden="true"><path d="M6 4v6a6 6 0 0 0 12 0V4M4 20h16"/></svg></button>
<button class="btn btn-toggle btn-outline btn-icon btn-lg" data-toggle aria-pressed="false" aria-label="Underline"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="size-4" aria-hidden="true"><path d="M6 4v6a6 6 0 0 0 12 0V4M4 20h16"/></svg></button>
<button class="btn btn-outline btn-rounded btn-sm" data-toggle aria-pressed="false"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="size-4" aria-hidden="true"><path d="m19 21-7-4-7 4V5a2 2 0 0 1 2-2h10a2 2 0 0 1 2 2v16z"/></svg> Save</button>

    Disabled#

    html 
    <button class="btn btn-toggle btn-icon" data-toggle aria-pressed="false" aria-label="Bold" disabled><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="size-4" aria-hidden="true"><path d="M6 12h9a4 4 0 0 1 0 8H7a1 1 0 0 1-1-1V5a1 1 0 0 1 1-1h7a4 4 0 0 1 0 8"/></svg></button>
<button class="btn btn-toggle btn-icon" data-toggle aria-pressed="true" aria-label="Italic" disabled><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="size-4" aria-hidden="true"><path d="M19 4h-9M14 20H5M15 4 9 20"/></svg></button>

    Saving with htmx#

    Trigger the request on toggle:change rather than click, so it runs after aria-pressed has flipped, and send the new state with hx-vals.

    html 
    <button class="btn btn-outline" data-toggle aria-pressed="false"
        hx-post="/api/echo" hx-trigger="toggle:change" hx-vals='js:{starred: this.getAttribute("aria-pressed")}'
        hx-target="#toggle-result"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="size-4" aria-hidden="true"><path d="M11.525 2.295a.53.53 0 0 1 .95 0l2.31 4.679a2.123 2.123 0 0 0 1.595 1.16l5.166.756a.53.53 0 0 1 .294.904l-3.736 3.638a2.123 2.123 0 0 0-.611 1.878l.882 5.14a.53.53 0 0 1-.771.56l-4.618-2.428a2.122 2.122 0 0 0-1.973 0L6.396 21.01a.53.53 0 0 1-.77-.56l.881-5.139a2.122 2.122 0 0 0-.611-1.879L2.16 9.795a.53.53 0 0 1 .294-.906l5.165-.755a2.122 2.122 0 0 0 1.597-1.16z"/></svg> Star</button>
<p id="toggle-result" class="muted" aria-live="polite"></p>

    Reference#

    Class / attributeDescription
    .btn-toggleToggle look: muted when off, filled when on. Combine with .btn-outline for a bordered one.
    data-toggleFlips aria-pressed on click and fires toggle:change { pressed }.
    aria-pressed"true" or "false". Drives the pressed style on every button variant.