The latest articles on DEV Community by Kaitlin Zhang 改善 (@kaizengrowth). https://dev.to/kaizengrowth https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F858214%2Fa35bf1d7-33b5-4b40-be1e-92eabfd85029.png https://dev.to/kaizengrowth en Kaitlin Zhang 改善 Thu, 02 Jul 2026 02:52:52 +0000 https://dev.to/kaizengrowth/writing-a-json-parser-in-javascript-4jk1 https://dev.to/kaizengrowth/writing-a-json-parser-in-javascript-4jk1 <p>Let's write a JSON parser that converts a JSON string into Javascript objects. </p> <p>Here's my approach. If you want to skip straight to the code, you can do so <a href="https://replit.com/@Kai-LinLin/JSONparser?utm_campaign=%23100%20Days%20of%20Code&amp;utm_medium=email&amp;utm_source=Revue%20newsletter#index.js" rel="noopener noreferrer">here</a>. Would be grateful for any feedback to refactor and make it better.</p> <h2> Understanding the Documentation </h2> <p>Here is the way that <a href="http://www.json.org" rel="noopener noreferrer">JSON.org</a> describes the various parts of its syntax using railroad diagrams.</p> javascript tutorial