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JavaScript DOM Basics Cheat Sheet

A 2-page reference for the DOM: 16 short entries with copy-ready code.

ForDevelopers

javascript-dom-basics-cheat-sheet.pdfShowing 15 of 59 lines
// querySelector
const btn = document.querySelector("#save");

// querySelectorAll
const items = [...document.querySelectorAll(".item")];

// addEventListener
btn.addEventListener("click", (event) => {
  event.preventDefault();
});

// Event delegation
list.addEventListener("click", (e) => {
  const li = e.target.closest("li");
  if (li) console.log(li.dataset.id);

What's inside

Format
PDF, Markdown
Contents
16 sections · 2 pages
Version
1.0 · Updated 3 Oct 2026
Licence
Commercial What this means
Checked
Checked before it ships
  • javascript-dom-basics-cheat-sheet.pdfPDF · 19 KB
  • javascript-dom-basics-cheat-sheet.mdMarkdown · 2 KB
  • LICENSE.txtadded to every download

About this item

A compact, printable reference for the DOM in JavaScript. Each of the 16 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. Examples target modern JavaScript (ES2023). Commercial license included.

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