Brian Holt
Neon
Using JavaScript in Websites
3 hours, 2 minutes
CC
Course Description
Learn how to incorporate JavaScript into your websites by first seeing how to use third-party libraries and then creating two projects: an image carousel that uses JavaScript code, and then an application that retrieves data about dog breeds from an API.
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Course Details
Published: September 8, 2019
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Table of Contents
Making an Image Gallery
Section Duration: 40 minutes
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Brian introduces the exercise and instructs students to choose photos to add to their image galleries. -
Brian begins coding the HTML for the image gallery. -
Brian adds CSS to the image gallery to improve its appearance and structure elements on the page. -
Brian fields student questions about the CSS used in the image gallery so far. -
Brian codes the navigation buttons into the image gallery. -
Brian sets up the file to accept JavaScript and explains how a browser loads style and script resources. -
Brian codes the next button to allow the user to progress forward in the image gallery. -
Brian codes the logic to disable the next button when the user reaches the last item in the gallery. -
Brian codes the previous button to work similarly to the next button, going in the opposite direction. -
Brian answers a student question about the add method. -
Brian presents ideas about extra functionality that can be added to the image gallery.
Third-Party Libraries
Section Duration: 56 minutes
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Brian explains how third-party libraries can be a useful tool for developers. -
Brian teaches how to implement the third-party library Swiper by following documentation. -
Brian codes the HTML for the image gallery using the Swiper documentation as a guide, reviewing link and script tag placement. -
Brian begins implementing the JavaScript for the Swiper gallery. -
Brian codes the Swiper buttons and demonstrates some of the capabilities of the newly created gallery. -
Brian explores the Swiper API, adding features to the gallery based on the documentation. -
Brian introduces the Popmotion library and begins to set up the HTML and CSS to implement an animation. -
Brian implements the spring animation from the Popmotion library. -
Brian debugs an overlap issue in Chrome. A point is made about how to approach launching code across browsers. -
Brian analyzes the behavior of the code used for a few Popmotion functions. -
Brian challenges students to add an element of interactivity to their current portfolios and then makes a change to the Popmotion animation.
AJAX
Section Duration: 21 minutes
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Brian introduces AJAX and JSON and gives a few ways they are commonly used on the web. -
Brian demonstrates how to request data from an API, using dog.ceo as an example. -
Brian investigates the API response in a browser and defines terminology students may come across. -
Brian verifies the response from the API, then handles the data using JavaScript.
Dog App
Section Duration: 1 hour, 3 minutes
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Brian introduces the exercise, and shows how to construct an animation using CSS. -
Brian creates and modifies different types of animations in CSS using the transform and filter properties. -
Brian outlines the timing for starting and stopping the display of the loading spinner. -
Brian populates a dropdown list using an array of all of the breeds returned from the API. -
Brian walks students through usage of the change event to detect dropdown selections, and lays out a plan fo the rest of the exercise. -
Brian reviews what the finished application will do and fields a question about strings from the audience. -
Brian live codes the solution for retrieving the correct data from the dog.ceo API, and displaying the result to the page. -
Brian goes into further detail about how template strings can be used in JavaScript. -
Brian codes a spinning dog emoji into the webpage that appears while the dog photo is loading. -
Brian modifies the loading spinner functionality to display the spinner until the moment the image has loaded. -
Brian offers additional suggestions for the Dog App, discusses semicolon usage, and answers a question about setting styles using JavaScript.
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