Although in this simple example, the performance improvement is insignificant, when you are working with big components, the difference is more noticeable. But if you are building something like SPA behind login then it is much easier (and reloading whole pages in SPA is not a thing you want, right). Thanks for keeping us honest. As of right now, this just looks like static content, and it would be un-parsable by a search engine. I'm using it because it is super helpful at avoiding bugs due to its typings, and I get to take advantage of how it transpiles to any JavaScript format I need. This widget lets you apply widgets to a specific Algolia index. This sample app renders a list of heroes and a progress indicator (while it is working). Hopefully, this gives you an idea of how you can render content without any libraries. Conditional Rendering in React using Vanilla JS requires too much boilerplate to render the UI Markup. So, our objects will exist separately, and we'll just call render () again: var blogPost = new BlogPost( blogPostData); function update() { document.querySelector('body'). The requirement hasn't come up again since then, until now. Again, this works. In the example below, we use it to conditionally render a small block of text. Like books, movies, and still trying many things. When you look at the console, however, youll see that componentDidUpdate is always called regardless of the value returned by render. Activating extension 'vscode.typescript-language-features' failed: Could not find bundled tsserver.js. This article has totally broadened my scope of thinking on how Frameworks manipulate the DOM behind the scenes. Implementing conditionals when rendering a page is one way to manipulate what you want to show on the page. autocomplete. After the API is updated, render the remaining kids that are not hidden by calling my allKids function except this is still rendering ALL of the kids, including the kids after clicking on the hide link. But this exercise is sticking with no libraries. As the name implies, immediately invoked function expressions (IIFEs) are functions that are executed immediately after they are defined, so there is no need to callthem explicitly. But solid does not re-render, it's supposed to do fine-grained updates, which would mean what here? In React, you can have expressions like the following: If showHeader evaluates to true, then the