HTML、CSS、JS的加载顺序是怎样的?

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2026-10-01 17:58:56
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HTML、CSS、JS的加载顺序是怎样的?

The loading sequence of a DOM document is determined by the order of elements in the HTML code:

1. DOM Load: The document is parsed and the basic structure is established before any external resources like CSS or JavaScript files are loaded.

2.Loading Stylesheets: The browser looks for `` tags with `rel=stylesheet` to apply CSS. Stylesheets are loaded and applied in the order they appear in the document.

3.Parsing and Execution of JavaScript: Once the stylesheets are loaded, JavaScript files referenced by `