Basics

Question 1

What is jQuery?

Answer 1

• It is a JavaScript library

Question 2

What is the $ symbol?

Answer 2

• It is a pointer to the javascript object that represents jQuery. It’s the same to write $ or jQuery and it is easier than to write the whole word.

Question 3

How is jQuery included in a page?

Answer 3

• You have to paste the following code in the

- Is better to use this because is faster

Question 4

How to select DOM elements with jQuery?

Answer 4

- $('tag')
\+ Example:
   $('div')
- $('.class')
- $('#id')

Question 5

Methods to explore the DOM tree?

Answer 5

• .parent()
• .parents()
• .children()
• .siblings()