Practical Actions: clickOutside tooltip autofocus
Build real-world reusable actions for common UI patterns.
Practical Actions: clickOutside tooltip autofocus is a free Sveltejs Academy lesson on CoddyKit. This is lesson 4 of 4. You can read the complete lesson below for free — then practise it hands-on in the browser with a built-in code editor and a 24/7 AI tutor. It is part of the Sveltejs Academy learning path, and your progress syncs across the web and the CoddyKit app. The Sveltejs Academy course includes 4 lessons in total.
clickOutside Action
Detect clicks outside an element to close menus and dropdowns.
function clickOutside(node, cb) {
function handler(e) { if (!node.contains(e.target)) cb(); }
document.addEventListener("click", handler, true);
return { destroy() { document.removeEventListener("click", handler, true); } };
}Use clickOutside
Pass a callback that runs when the user clicks outside.
<div use:clickOutside={() => open = false}>autofocus Action
Focus an element on mount; cleaner than a bind:this + onMount.
function autofocus(node) { node.focus(); }Use autofocus
Apply to inputs or any focusable element.
<input use:autofocus />tooltip Action
Show a tooltip when hovering. Encapsulate listeners and DOM creation in one action.
lazyLoad Action
Combine IntersectionObserver with use: to lazy-load images.
clickConfirm Action
Require two clicks within a window to confirm destructive operations.
Reuse Across Components
Once written, an action works on any compatible element. Store them in $lib/actions.
Action Libraries
Packages like svelte-use ship dozens of pre-built actions.
Compose Actions
Apply multiple actions on one element: use:autofocus use:clickOutside={close}.
Best Practice
Keep actions focused on one behavior. Compose for richer effects.
Quick Check
What does a clickOutside action need?
Recap
Practical actions like clickOutside, autofocus, and tooltip showcase how to encapsulate reusable DOM behaviors.
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Frequently Asked Questions
Is the “Practical Actions: clickOutside tooltip autofocus” lesson free?
Yes — the full text of “Practical Actions: clickOutside tooltip autofocus” is free to read here on the web. To practise it interactively (a built-in code editor and a 24/7 AI tutor) and unlock the rest of the Sveltejs Academy course, upgrade to CoddyKit PRO. The Sveltejs Academy course includes 4 lessons in total.
What will I learn in “Practical Actions: clickOutside tooltip autofocus”?
Build real-world reusable actions for common UI patterns. You practise Sveltejs Academy with hands-on code you run directly in the browser, and a 24/7 AI tutor answers your questions as you work through the lesson.
Do I need any experience to start Sveltejs Academy?
No prior experience is required. Sveltejs Academy on CoddyKit is structured for beginners through advanced learners, so you can start here or from the beginning and move at your own pace. This is lesson 4 of 4.
How long does the “Practical Actions: clickOutside tooltip autofocus” lesson take?
Most CoddyKit lessons take about 5–10 minutes. Each one is bite-sized and interactive, so you make steady progress and pick up exactly where you left off across the web and the app.
Can I write and run code in this Sveltejs Academy lesson?
Yes. Every Sveltejs Academy lesson includes a built-in code editor, so you write and run real code right in your browser and get instant AI feedback — no local setup required.
All lessons in this course
- use: Directive Syntax
- Action Parameters and Updates
- The destroy() Cleanup Function
- Practical Actions: clickOutside tooltip autofocus