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JavaScript Fetch and JSON Cheat Sheet

A 2-page reference for fetch and JSON: 16 short entries with copy-ready code.

ForDevelopers

javascript-fetch-and-json-cheat-sheet.pdfShowing 16 of 63 lines
// GET JSON
const res = await fetch("/api/items");
const items = await res.json();

// Check response.ok
if (!res.ok) throw new Error(`HTTP ${res.status}`);

// POST JSON
await fetch("/api/items", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({ name: "A" }),
});

// Query strings
const qs = new URLSearchParams({ q: "a b", page: "2" });

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-fetch-and-json-cheat-sheet.pdfPDF · 21 KB
  • javascript-fetch-and-json-cheat-sheet.mdMarkdown · 2 KB
  • LICENSE.txtadded to every download

About this item

A compact, printable reference for fetch and JSON 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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