IT 231 -- Midterm Review Guide

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IT 231 -- D2L Midterm Exam Review Guide

Last revised Feb 1, 2024, 3:00 pm

Exam Format for D2L Midterm

15 multiple choice questions, 4 answer choices each
Only one attempt is allowed
90 minute time limit
The exam opens on Thursday, Feb 8; closes on Sunday, Feb 11.
This 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 (at the beginning of each day's lecture notes)
Practice Quizzes
Examples
Tutorials and Projects

HTML/CSS/JavaScript Items and Other Definitions

HTML items:

<!DOCTYPE html>
<html>
    <head>
        <title> <link> <style> <script> <meta>
    <body>
        <div> <span> <pre> <br> <hr>
        <h1> <h2> <p> <ul> <ol> <li> 
        <table> <tr> <th> <td>
        <input> <label> <button>
        <img> <a>

CSS Styles:

color  background-color  font-family  font-size  
font-weight font-style  font  width  height  
padding  margin  border-style  border-color
border-width

Hex Color Codes Know the hex color codes for these colors:

red  lime  blue  maroon  green  navy
yellow  aqua  turquoise  olive  teal  purple
black  white  gray  silver  pastel red (pink)  
pastel green   pastel blue

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

JavaScript Keywords:

else  false  for  function  if  let
return  true  typeof  var

Datatypes:

boolean  number  object  string  undefined

Operators:

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

Control Structures:

if..else  if..else if..else  while
for (traditional and modern)

Functions:
Named functions, parameters, arguments, anonymous functions, arrow notation, callback functions.
Array Property: length

Array Methods:

foreach  reverse  slice  sort  toString

String Property: length

String Methods:

charAt  indexOf  lastIndexOf  repeat  slice  
toLowerCase  toUpperCase  trim

Math Class Methods:

abs  ceil  floor  max  min  random  round

Expression Interpolation: Example:

var name = "Larry", amt = "$245.81";
var s = `${name} owes me $${amt}.`;

Objects Literals:
object literals, lookup operator [ ]

JSON (JavaScript Object Notation)

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

Node Packages, Properties, and Methods

Package	Property	Methods
http		createServer
http-status-codes	StatusCodes
fs		readFile writeFile

Node Objects, Properties, and Methods

Object	Properties	Methods
app		listen
request	headers method url
response		writeHead write end

The app object is created like this:

var app = http.createServer(callbackFunction);

The callback function is often passed in as an anonymous function.