IT 238 -- Midterm Review Guide

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IT 238 -- D2L Multiple Choice Midterm Exam Review Guide

Last revised Jan 30, 2025, 7:00 pm

Exam Format for D2L Midterm

20 multiple choice questions, 4 answer choices each
Only one attempt is allowed
120 minute time limit
Exam opens on Thursday, Feb 6; closes on Monday, Feb 10.
Exam cannot be taken late.
Do not refresh your browser which taking the exam. This will cancel your attempt to take the exam.

Study

Review Exercises
Practice Quizzes
Examples
Projects 0, 1a, 1b, and 2a

HTML/CSS/JavaScript Items and Other Definitions

HTML Elements:

<html> <body> <head> <title> <link> <script> <meta>
<h1> <h2> <p> <ul> <ol> <li> <table> <tr> <th> <td>
<input> <label> <button> <textarea> <span> <option> 
<img> <a>

HTML Attributes:

alt  href  id  lang  rel  src  type  value

JavaScript DOM Object Properties:
```
innerHTML  src  value
```

CSS Styles:

color  background-color  test-align  font-family  
font-size  font-weight  font-style  width  height

CSS Shorthand Styles:
```
font  border  margin  padding 
```

Hex Color Codes:

red  lime  blue  yellow  aqua  magenta
maroon  green  navy  olive  teal  purple
white  black  gray  silver

JavaScript Keywords:

else  false  for  function  if  new
return  this  true  typeof  var  while

Datatypes:

boolean  number  object  string  undefined

Number Datatype Maximum Value:

document.writeln(Number.MAX_VALUE);
// Output: 1.7976931348623157e+308

Operators:

Arithmetic: +  -  *  /  **  %
Comparison: ==  ===  <  <=  >  >=  !=  !==
Logical:    &&  ||
Assignment: =  +=  -=  *=  /=  %=
Miscellaneous:  .  [ ]  ( )  { }  typeof  new

Control Structures:

if..else if..else if..else while loop traditional for loop modern for loop

Functions:
Named functions, parameters, arguments, anonymous functions.
Built In Functions:
```
isFinite  isNaN  parseFloat  parseInt
```
Array Property:
```
length
```

Array Methods:

concat  pop  push  shift  toString  unshift

String Property:
```
length
```

String Methods:

charAt  concat  endsWith  includes  indexOf  
lastIndexOf  repeat  startsWith  substr  
substring  toLowerCase  toUpperCase  trim

Math Class Methods:

abs  ceil  floor  max  min  random  round

Objects Literals:
object literals, methods, property, value, toString method)
DOM Object Creation Method:
```
document.getElementById
```
Add Event Listener to HTML element:
```
addEventListener
```
Element Object Properties:
```
innerHTML  value
```
HTML/JavaScript Events
```
click  load
```

JSON (JavaScript Object Notation)

JSON.stringify  JSON.parse
Example:
kids = [ {"name": "Alice", "age" : 11},
         {"name": "Bob", "age" : 9} ];

Other JavaScript Methods and Concepts

JavaScript output (document.write, console.log, alert, HTML element value or innerHTML), expression interpolation (`${x}`)