The id attribute
An id identifies a specific element on a page and should normally be unique within that document.
Lesson 15 of 24
14 min learning time
IDs and Classes
The class attribute
A class can be shared by multiple elements and is commonly used for styling and JavaScript selection.
<h1 id="page-title">
Vinsoft Lab
</h1>
<p class="description">
Learn technology.
</p>
<p class="description">
Build useful projects.
</p>Practical Exercise
Build it yourself
Create one element with an id and two elements sharing the same class.
Quick Check
Test your understanding
Which attribute is commonly shared by multiple elements?