A brief discussion on the difference between css and @import and detailed explanation of their usage

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css and @import are both methods of calling external style sheets.

1. Usage

(1)link:

（2）@import:

Method 1 (added in html):

Method 2 (added to css):

@import url (css file path);

2. Difference

(1) link is an XHTML tag, in addition to loading CSS In addition, other transactions such as RRS can also be defined. @import belongs to the CSS category and can only load CSS.

(2) The link references the CSS style, which is loaded synchronously with the page loading. @import waits until the page is loaded before starting to load.

(3) link is an XHTML tag and has no compatibility issues; @import was proposed in CSS2.1 and is not supported by lower version browsers.

(4) link supports using Javascript to control the DOM to change the style; while @import does not support it.

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