by Alex Gurkin | Updated: Jul 7, 2023

JavaScript Blocking Behavior in Web Development

When it comes to web development, JavaScript plays a crucial role in enhancing the interactivity and functionality of a website. However, it’s important for developers to understand the blocking behavior of JavaScript and how it can affect the performance of a website.

JavaScript is a single-threaded language, meaning it can only execute one piece of code at a time. When JavaScript code is executed, it can potentially block other resources from loading or executing until it has completed its task. This blocking behavior can lead to slow page load times and a poor user experience.

There are a few scenarios where JavaScript blocking behavior can occur:

Scenario

Explanation

Inline JavaScript

When JavaScript code is directly embedded within the HTML file using the Alex Gurkin A seasoned project manager & CEO since 2008. MD with medical IT skills. 300+ web projects. Published author. SaaS expert. read more Related Posts Dev Experience Uncategorized Server-Side Rendering in my web development experience 10/16/202410/06/2023 Alex Gurkin Dev Experience Uncategorized Time to start render in my web development experience 10/15/202410/06/2023 Alex Gurkin