Chapter 35

ch31 CSS Selectors

Contents

35.1 Tags.......................... 291

35.2 ID............................ 291

35.3 Class.......................... 292

35.4 Pseudo Class..................... 292

35.5 Transitions...................... 292

35.1 Tags

Each of the HTML tags can be used as a selector. body, div, h1, p, etc.

JavaScript can select some elements based on tag.

document.body

35.2 ID

Only one item can belong to a specific ID. If more items have the same ID,
the browser cannot be expected to do what you want. Consider using a
class.

JavaScript can select a particular item based on its ID.

document.getElementById(’abc’)

291