The language evolved over time, with many new features and capabilities added in subsequent versions. The latest version is ECMAScript 2020 (ES11).
Ease of use:
Syntax and Semantic issues:
<button onclick="alert('Hello World!')">Click me</button>
It is recommended to place the <script> tag at the bottom of the body section, to avoid blocking the rendering of the website, making the website more responsive.
When a web page is loaded, the browser creates a Document Object Model (DOM) for the page.