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JavaScript Events and Timers Cheat Sheet

A 2-page reference for events and timers: 15 short entries with copy-ready code.

ForDevelopers

javascript-events-and-timers-cheat-sheet.pdfShowing 20 of 78 lines
// addEventListener
button.addEventListener("click", (event) => {
  console.log(event.target);
});

// Remove a listener
function onClick() {}
button.addEventListener("click", onClick);
button.removeEventListener("click", onClick);

// Listen once
button.addEventListener("click", handler, { once: true });

// Abort many listeners
const ac = new AbortController();
window.addEventListener("resize", onResize, { signal: ac.signal });
ac.abort();

// Event delegation
list.addEventListener("click", (e) => {

What's inside

Format
PDF, Markdown
Contents
15 sections · 2 pages
Version
1.0 · Updated 3 Oct 2026
Licence
Commercial What this means
Checked
Checked before it ships
  • javascript-events-and-timers-cheat-sheet.pdfPDF · 20 KB
  • javascript-events-and-timers-cheat-sheet.mdMarkdown · 2 KB
  • LICENSE.txtadded to every download

About this item

A compact, printable reference for events and timers. Each of the 15 entries has a one-line explanation and a small example you can paste into your editor. The PDF uses a two-column A4 layout designed to sit next to your keyboard, and the same content ships as Markdown so you can search it or drop it into your notes. Every JavaScript example targets ES2023.

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