IT 231 -- Final Review Guide

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IT 231 -- D2L Final Exam Review Guide

Last revised Feb 26, 2024, 10:00pm

Final Exam Dates and Locations

Slots to take the final exam start on Saturday, Mar 16, until Thursday, Mar 21.
Students in both the sync and async sections take the final exam in the Course Online proctoring center on the 2nd floor, 243 South Wabash Ave. Sign up is on the lower right corner of the IT 231 home page. You can also take the final with the in-class section or find a local proctor if you live far away from Chicago. Let me know if you need help finding a local proctor.

Bring to Exam

Two 8.5" x 11" pages of notes. Can be handwritten or computer printed.

Study

Review Exercises (at the beginning of each day's lecture notes)
Practice Problems in the lecture notes.
Practice Quizzes
Examples
Tutorials and Projects

HTML/CSS/JavaScript Items and Other Definitions

HTML items:

<!DOCTYPE html>
<html>
    <head>
        <title> <style> <meta> <link>
    <body>
        <span> <br> <hr> <strong> <em>
        <h1> <h2> <p> <ul> <ol> <li> 
        <table> <tr> <th> <td>
        <img> <a> <form> <input> <label>
        <select> <option>

CSS Styles:

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

CSS Shorthand Styles:
```
font  border
```

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

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

Functions:

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

Array Methods:

forEach  pop  push  reverse  shift  splice  sort  toString  unshift

String Property: length

String Methods:

charAt  indexOf  lastIndexOf  repeat  toLowerCase  toUpperCase  trim

Math Class Methods:
```
ceil  floor  random  round
```

Expression Interpolation: Example:

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

Object Literals:

key, value, lookup operator ( . )

JSON (JavaScript Object Notation):

JSON.stringify  JSON.parse
Example:
kids = `[{"name": "Alice", "age" : 11},
         {"name": "Bob", "age" : 9}]`;
console(JSON.parse(kids));
// Output:
[
    { name: 'Alice', age: 11 },
    { name: 'Bob',   age: 9  }
]

Common JS Modules:
```
require
```

npm

> npm init
> npm i (install module)
> npx nodemon (start nodemon)

Node Packages

Modules and associated objects:

http-status-codes  Object: StatusCodes

fs  Methods: appendFile  readFile  writeFile  

express   Methods: express -- creates app object
                   express.static -- creates static folder

express app object methods:
    app.listen  app.get  app.post  app.set  app.use

file  __dirname  path

Node request object (req or q) properties:
    headers  method  headers

Node response object (res or r) methods:
    end  writeHead  write

Express request object (req or q) properties:
    body  params  query  

Express response object (res or r) methods:
    send  sendFile  render
    Use render to pass data from main.js to an EJS page.

ejs   EJS delimiters: <% ... %>  <%= ... %>

CRUD Models

The CRUD operations are Create Read Update Delete.
A CRUD model is a database or JSON string which associated code that implements the CRUD operations.