IT 3215 Unit 3 Discussion DQ Events, Dynamic Images, and Modularization

IT 3215 Unit 3 Discussion DQ Events, Dynamic Images, and Modularization

The ability to animate graphics with JavaScript has resulted in increased interactivity of Web sites. As we add more functionality into our scripts, it is important that we take the time to modularize our code to make it more efficient. We want to ensure our functions are split up for reuse.

Research and describe some tips and suggestions for someone new to JavaScript to get started. In particular, focus on at least two of the following points while providing sample code (with comments) of each:

Explain which events and methods we can use to handle user interaction with images.

Distinguish among HTML events, mouse events, and keyboard events.

Describe the use of cross-browser compatible functions or methods for attaching and detaching event handlers.

Describe the use of images and preloaded images in applications like image rollovers and slide shows.

Describe setTimeout, setInterval, clearTimeout, and clearInterval.

Explain why modularizing a program makes it more efficient.

Identify the advantages and disadvantages of modularization.

DQ2 Challenges With Dynamic Images, Events, and the DOM

Note: The second discussion in each unit of this course is dedicated to community sharing of challenges and solutions you have encountered while completing your Unitly assignment. You are encouraged to post and respond early in the Unit to share experiences that you are having, and to help others with theirs. This is how coders solve tough issues: they rely on one another!

Dynamic images and events can make a Web page pop. For some, creating this interactivity is a snap; for others it can be a bit of a challenge.

Discuss one or more of the challenges or experiences that you encountered when trying to complete this Unit’s assignment. How did you try to address it or solve it?

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APA Writing Checklist

Use this document as a checklist for each paper you will write throughout your GCU graduate program. Follow specific instructions indicated in the assignment and use this checklist to help ensure correct grammar and APA formatting. Refer to the APA resources available in the GCU Library and Student Success Center.

☐ APA paper template (located in the Student Success Center/Writing Center) is utilized for the correct format of the paper. APA style is applied, and format is correct throughout.

☐  The title page is present. APA format is applied correctly. There are no errors.

☐ The introduction is present. APA format is applied correctly. There are no errors.

☐ Topic is well defined.

☐ Strong thesis statement is included in the introduction of the paper.

☐ The thesis statement is consistently threaded throughout the paper and included in the conclusion.

☐ Paragraph development: Each paragraph has an introductory statement, two or three sentences as the body of the paragraph, and a transition sentence to facilitate the flow of information. The sections of the main body are organized to reflect the main points of the author. APA format is applied correctly. There are no errors.

☐ All sources are cited. APA style and format are correctly applied and are free from error.

☐ Sources are completely and correctly documented on a References page, as appropriate to assignment and APA style, and format is free of error.

Scholarly Resources: Scholarly resources are written with a focus on a specific subject discipline and usually written by an expert in the same subject field. Scholarly resources are written for an academic audience.

Examples of Scholarly Resources include: Academic journals, books written by experts in a field, and formally published encyclopedias and dictionaries.

Peer-Reviewed Journals: Peer-reviewed journals are evaluated prior to publication by experts in the journal’s subject discipline. This process ensures that the articles published within the journal are academically rigorous and meet the required expectations of an article in that subject discipline.

Empirical Journal Article: This type of scholarly resource is a subset of scholarly articles that reports the original finding of an observational or experimental research study. Common aspects found within an empirical article include: literature review, methodology, results, and discussion.

Adapted from “Evaluating Resources: Defining Scholarly Resources,” located in Research Guides in the GCU Library.

☐ The writer is clearly in command of standard, written, academic English. Utilize writing resources such as Grammarly, LopesWrite report, and ThinkingStorm to check your writing.

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