HTML TutorialLesson 24Free preview

HTML Id

This lesson is part of HTML · All levels

Summary

The id attribute is used to uniquely name an element within a page. The value of id must not be duplicated to remain valid, and in CSS is written with a hash such as #header. id is also useful as a link anchor and to be reached by JavaScript.

Key points

The id must be unique, only used once per page
Selected in CSS with the # mark, example: #header
Used as a link anchor as href="#bagian2"
Easily manipulate elements with JavaScript

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