Capella IT3215 Unit 2 Discussion (dq1+dq2) Latest 2019 December

Question # 00609645
Course Code : IT3215
Subject: Computer Science
Due on: 03/16/2020
Posted On: 03/16/2020 09:36 AM
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IT3215 Introduction to JavaScript

Unit 2 Discussion        

DQ1 Arrays, Loops, and the DOM

You have learned about working with the DOM with CSS, but you can also work with the DOM using JavaScript. You will be able to alter and manipulate the DOM dynamically with JavaScript to extend basic JavaScript functionality by using loops, events, controls, arrays, and functions. 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 arrays and loops be utilized effectively together versus separate variable declarations.

Describe the flow of control for while, do-while, and for loops.

Describe the use of a JavaScript array, including the use of its index and length property.

Describe these methods for working with forms and controls: submit, reset, focus, blur.

Describe the use of the Document Object Model in JavaScript applications.

Describe these events for working with controls: onfocus, onblur, onclick, ondblclick, onchange, onselect.

Describe the process of creating and adding nodes to the DOM, including adding rows and cells to a DOM table.

Distinguish between a function expression and a function declaration, including which one can be called before it is defined.

DQ2 Challenges to Arrays and Loops

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!

Creating and employing arrays and loops can be challenging. 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 the assignment this Unit. How did you try to address it or solve it?

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