Understanding the Load and Execution Sequence of a Web Page
When a browser encounters a web page, it initiates a sequence of events to load and execute its various components. This process can be understood as a series of steps:
1. HTML Parsing:
- The browser downloads the HTML document.
- It begins parsing the HTML, creating a Document Object Model (DOM) that represents the page structure.
2. Resource Loading and Execution:
- As the parser encounters external resources (e.g., CSS, JavaScript), it requests and downloads them.
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CSS Loading: CSS files are downloaded and parsed, and styles are applied to the DOM.
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Inline JavaScript: JavaScript code within