Introduction To Website Development Technologies - Using jQuery

The video introduces jQuery, a JavaScript framework that simplifies coding by packaging common commands. It explains how to include jQuery in projects using CDN or downloading files. The tutorial covers basic jQuery syntax, such as document ready and event handling, and demonstrates practical examples like toggling elements and manipulating classes. The video emphasizes the efficiency and simplicity jQuery brings to JavaScript coding.

What is the primary purpose of jQuery as a JavaScript framework?

• To eliminate the need for HTML

• To make JavaScript code more complex

• To simplify JavaScript code by packaging common commands

• To replace JavaScript entirely

Which of the following is a method to include jQuery in a project?

• Using a CDN

• Using a CSS file

• Downloading a PHP file

• Embedding in an HTML comment

Why is it beneficial to use a CDN for jQuery?

• It is the only way to use jQuery

• It requires no internet connection

• It increases the file size

• It makes the website load faster from a reliable server

Why is the order of script tags important when including jQuery?

• It doesn't matter at all

• Custom scripts should always load first

• jQuery must load first to provide a basis for other scripts

• Scripts should be in alphabetical order

What is the jQuery syntax to target an element by its ID?

• $('elementID#')

• $('elementID')

• $('#elementID')

• $('.elementID')

How can you execute a function when a document is ready in jQuery?

• $(document).ready(function() {...})

• document.load(function() {...})

• document.ready(function() {...})

• $(document).load(function() {...})

What jQuery function can be used to toggle the visibility of an element?

• show()

• hide()

• display()

• toggle()

Which jQuery method is used to add a class to an element?

• insertClass()

• createClass()

• addClass()

• appendClass()

What is a key benefit of using jQuery for DOM manipulation?

• It makes the code longer

• It simplifies complex JavaScript code

• It requires no HTML knowledge

• It only works with Internet Explorer

What is the recommended approach to mastering jQuery?

• Using only online tutorials

• Practicing regularly

• Avoiding practice

• Reading documentation only