IT3215 Introduction to JavaScript

Unit 01 Discussion

DQ1 Getting
Started With JavaScript

JavaScript
has been one of the most popular scripting languages for dynamic interactivity.
It is a completely different language from HTML5 and CSS3, and it can be
challenging for those without programming experience to begin. Research and
describe some tips 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) for each:

Explain how
different browsers handle JavaScript code. What considerations must be made
when developing for different browsers?

Describe
the use of JavaScript comments, including the process of “commenting
out” portions of JavaScript code.

Explain the
primary rules for creating a JavaScript identifier.

Explain the
use of variable declarations and assignment statements with numeric, string,
and Boolean data.

Explain the
syntax for referring to a method or property of an object.

Explain the
issue of cross-browser compatibility as it relates to JavaScript code.

Describe
the creation and use of event handlers, including an event handler for the load
event of the window object and how the HTML and JavaScript sections work
together using the DOM.

Describe
how the process flow for form submissions works between HTML, JavaScript, and a
server-side language like PHP.

Response
Guidelines

Comment on
the post of at least two other learners. Offer insights, solutions, examples,
or opinions that add depth and value to the conversation.

Note
regarding discussions in this course: The discussion topic should determine the
length of your post, however, a minimum of 150 words is recommended. Refer to
the Discussion Participation Scoring Guide for post expectations. Make your
initial posts by Wednesday to allow time sufficient for peers to respond. The
expectation within the course discussions is to respond to at least two posts
by the end of the unit, but it is highly recommended that you extend the dialog
further. Responding over multiple days will help stimulate a lively discussion.

Learning
Components

This
activity will help you achieve the following learning components:

Study the
different variable data types.

Examine the
process flow of form submissions.

Understand
the basic concepts of the DOM and how HTML and the JavaScript sections of the
DOM work together.

View
examples of effective JavaScript comments that describe and explain variables
and functions.

Resources

Discussion
Participation Scoring Guide.

Toggle
Drawer

DQ2 Challenges
to Using Variables in a Form

Note: The
second discussion in each unit of this course is dedicated to community sharing
of challenges and solutions encountered while completing your weekly
assignment. You are encouraged to post and respond early in the week 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!

Creating
and employing variables for the first time can be tricky. Putting them in a
form can make it even tougher. For some it is very intuitive; for others, less
so.

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

Response
Guidelines

Comment on
the post of at least two other learners. Share suggestions to help your fellow
learners address their challenges.

Resources

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☐ 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.

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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.

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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.

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