How can you measure website performance using browser developer tools and other tools (e.g., Lighthouse)?

You can include JavaScript in your HTML in two ways: Writing the code in ... Frameworks don't really do anything by themselves, they just provide an ... About this course. You interact with JavaScript code all the time — you just might not realize it. It powers dynamic behavior on websites (like this one) ... ... JavaScript, nor is it HTML. It is a syntax extension. Ultimately, JSX gets compiled into vanilla JavaScript. For example, if we write the following JSX: Dec 9, 2022 ... Top Javascript Project Ideas for Beginners · 1. Interactive To-Do List · 2. Simple Weather Application · 3. Interactive Quiz Game · 4. Recipe Finder. If you do, some pages will not work as designed. To change JavaScript settings: Go to Settings. Click Advanced in the left sidebar, and click Privacy & security ... Oct 24, 2014 ... Cesar Marroquin is having issues with: Can this be done? Will it expand as it gets filled up with elements, or would you just have to create ... You can follow the Getting started tutorial to learn how to make your first Web API call. Documentation. The documentation is organized as follows: Concepts ... Apr 15, 2025 ... JavaScript is a scripting language that enables you to create dynamically updating content, control multimedia, animate images, and pretty much ... App Lab is a programming environment where you can make simple apps right in the browser. Design an app, code in JavaScript with either blocks or text, then ... Then you can use the result in your code as you would in your synchronous code. Error handling. Handling errors in async functions is very easy. Promises have ...