• 1
• 12
• 4
• 3

Q8. How many rows will you see on a very narrow screen such as a phone?

• 1
• 12
• 3
• 5

Q9. In this extract of a CSS file, what are the selectors? (select all that apply)

1

2

3

4

5

6

7

8

9

10

11

.test {  color:red; }

.body {  color:#ff00ff; } 

#curveball {  color:green; }

• .test
• .body
• #curveball
• color

Q10. What are advantages of using bootstrap? (select all that apply)

• It is free
• It sets up default styles that look more modern than the browser’s default styles
• It provides ready made design elements such as navbars
• It provides a responsive grid system

Week 3: Responsive Website Basics: Code with HTML, CSS, and JavaScript Quiz Answers

Quiz 1: Introduction to JavaScript

Q1. When you interact with a web page it has to reload from the server every time you make a small change

• TRUE
• FALSE

Q2. What is the relationship between Java and JavaScript

• They are versions of the same language
• They are completely different languages

Q3. JavaScript is a language only used for handling mouse events.

• TRUE
• FALSE

Quiz 2: Responding to mouse clicks

Q1. What does the onclick attribute do?

• Says how the elements style should change when it is clicked
• Says what script should be called when an element is clicked

Q2. What is wrong with this call to alert? alert(Hello World);

• Hello World should be in quotes.
• There cannot be a space in the arguments to a function

Q3. What is the purpose of semi-colons (;) in JavaScript

• starting a comment
• ending a line of code

Quiz 3: The Console

Q1. What is the console used for?

• print out debugging information
• playing web based games

Q2. What does this code do?

1 a.b();

• calls a function called a with an argument called b
• calls a function called b on an object called a

Q3. What are objects?

• data that is passed in to functions
• they represent things in the program, like documents or HTML elements

Quiz 4: Manipulating HTML elements

Q1. What is jQuery useful for?

• manipulating the HTML elements of a web page
• querying information from a database

Q2. What is $?

• an object that represents the whole web page
• A shorthand for the function JQuery

Q3. What does this code do?

1 $(“.button”).html(“hello”);

• sets the the html content of all objects with class “button” to “hello”
• displays “hello” when you click on a button

Quiz 5: Script tag

Q1. Why would you create your own function?

• to bring together a lot of lines of JavaScript so you can easily call them together
• add a new type of custom HTML tag

Q2. What is a script tag used for?

• including JavaScript in an html page
• correctly formatting screenplays

Q3. What is wrong with the following code:

123 function setHTML(text){ $(“#myelement”).html(mytext); }

• you cannot have capital letters in a function name
• mytext does not match the argument name, which is “text”

Quiz 6: Anonymous functions

Q1. With JavaScript you can change the behaviour of an element when it is clicked on at any time as the web page is running

• TRUE
• FALSE

Q2. What do you call a function that you pass directly into another function without giving it a name?

• An anonymous function
• A direct function

Q3. What does this code do? a(function (){console.log(“c”)});

• passes an anonymous function to a
• calls a function called a which prints “b” to the console

Quiz 7: Beginning JavaScript summary quiz

Q1. Which language is used to add real time interaction to web pages?

• CSS
• Java
• HTML
• JavaScript

Q2. Which of these aspects of a web page would use JavaScript functions?

• The authors contact details
• What happens when you click on a button.
• The colour of the navigation bar
• WebGL games

Q3. How would you write a function that takes an argument, and you can call like this: “say(‘hello’);”?

Q4. To implement a hover event you need to do something when the mouse enters and then change it back when it exits. The jQuery hover function takes 2 functions as arguments, how would you change the color as you hover over it?

Q5. The HTML document object has a function “getElementById”. How would you get the element with id “title”?

• 1 getElementById(document, "title");
• 1 title.getElementById("document");
• 1 document.getElementById("title");
• 1 document(“getElementById”, "title");

Q6. What is wrong with this jquery code?

1 $("h1.title").html($("#chapterTitle"+3));

• It passes in $(“#chapterTitle”+3) but that isn’t a piece of text
• It is trying to call $ which is not a valid function name
• It uses two selectors: h1 and .title, when it should have one.
• It is trying to add a string (text) to a number

Q7. How would you make the element react when the mouse moves into it?

• 1


   

  Hello </h1 id=”title” onmouseenter=”alert(‘hello’);” >

• 1


   

  Hello </h1 id=”mouseenter” onclick=”alert(‘hello’);” >

• 1 Hello</mouseenter id="title" onclick="alert('hello');" >
• 1


   

  Hello </h1 id=”title” onclick=”mouseenter(‘hello’);” >

Q8. What does this code do?

1

2

3

4

5

function no(){  $(this).html("I'm offended"); }

$("#myfavouritebit").mouseleave(no());

• doesn’t work: “this” is not a valid css selector
• doesn’t work: you can only use anonymous functions to respond to events
• changes the content of the element with id “myfavouritebit” when the mouse moves out of it
• changes the content of the element with id “this” when the mouse moves out of the element with id “myfavouritebit”

Q9. How do you show the content of an html element in popup dialog?

• 1 $("#title").alert(html());
• 1 $("#title").alert();
• 1 $("#title").html(alert());
• 1 alert($("#title").html());

Q10. The jQuery function “css” sets css parameters of an element. How would you change the background color of all list items with class “emphasised”?

• 1 $(“css”).li.emphasised("color", "red");
• 1 li.emphasised.css("color", "red");
• 1 $('li, .emphasised').css('background', 'red')
• 1 $('li.emphasised').css('background', 'red')

Week 4: Responsive Website Basics: Code with HTML, CSS, and JavaScript Quiz Answers

Quiz 1: Variables

Q1. What is a variable?

• A named piece of code that can be used to change values
• A named location in memory that you can use to store values

Q2. What is the correct way to create a new variable called “a”?

• variable a : 3;
• var a = 3;

Q3. Once you set the value of a variable you cannot change it.

• TRUE
• FALSE

Quiz 2: Using variables

Q1. What does this code do?

1 counter = counter + 1;

• Sets the variable counter to 1
• Adds one to the variable counter.

Q2. What does this code print out?

1 var myVar = 1;console.log(myVar + 1);

• 2
• 1

Q3. What does this code print out?

1

2

3

var myVar = 1;

myVar + 1;

console.log(myVar);

• 1
• 2

Quiz 3: Variables in practice

Q1. What does this code produce? “one” + 2

• “one2”
• 3

Q2. How would you implement a backwards button?

• 34 $(“#backward”).click(function (){ counter = counter + 1; $(“#image”+counter-1).click(); });
• 1234

Quiz 4: If statements

Q1. What does an if statement let you do?

• make a choice of whether to run some code or not
• repeat code many times

Q2. What does this code mean? (myVariable < 3)

• myVariable is less than 3
• myVariable becomes equal to 3

Q3. What does this code do? var myVar = 4;if (myVar > 4){ console.log(“yes”);}

• prints yes
• does nothing

Quiz 5: Boolean variables

Q1. What does setInterval do?

• Call a function at regular intervals
• Controls the page load time

Q2. What values can a boolean variable have?

• yes, no
• true, false
• Any number

Q3. What does this code do?

1 excited = !excited;

• increases the variable excited
• makes the variable excited equal to not its old value

Quiz 6: eReader example

Q1. What does this code do? $(this).width()*0.3

• sets the width of this element to 0.3
• calculates 30% of the width of this element

Q2. What is “this” in JavaScript

• It can mean different things in different situations
• It represents the element that an event has happened to

Q3. What does this code do? $(“.scene”).

• Get all elements with class “scene”
• Gets the element with id “scene”

Quiz 7: Going deeper into JavaScript summary quiz

Q1. What does this code do?

1 var a = 3;

• creates a new function with an argument 3
• adds 3 to the variable 3
• calls a function called “a” with an argument 3
• creates a new variable with value 3

Q2. If you had a variable called “a” How would you set a new variable “b” to one more than a?

• var b = a + 1;
• var a + 1 = b;
• var b = 1;
• var a = b + 1

Q3. Which of these is a correct if statement?

• 123 if {a > 3}( console.log(“hello”); )
• 123 if myif(a > 3){ console.log(“hello”); }
• 123 if (a > 3){ console.log(“hello”);}
• 123 if a > 3 {}[ console.log(“hello”); ]

Q4. To create a condition where two things are equal we use two equals signs == (to distinguish it from one = which sets the value of a variable). How would you write a condition to check if variable a is one less than variable b?

• a == b – 1
• a == {b – 1}
• a == {b == -1}
• a == b

Q5. If you are going backwards through 4 images with a counter, how do you loop back to the end when the counter goes below 1?

• 123 if(counter < 1){ counter = 4; }
• 123 if(counter < 1){ counter = 1; }
• 123 if(counter > 4){ counter = 4;}
• 123 if(counter > 1){ counter = 1; }

Q6. How would you set an interval so function “f” gets called every half second?

• 1 setInterval(f, 1/2);
• 1 setInterval(f, 0.5);
• 1 setInterval(f, 1/120);
• 1 setInterval(f, 500);

Q7. What is content of the element with id “number” at the end of this code?

123 var myVar = 1;

$(“#number”).html(myVar+1);

myVar = myVar + 1;

• 1
• 2
• 4
• 3

Q8. How do you save the content of an html element to a variable?

• 1 string content = $(“#title”).html();
• 1 var content = $(“#title”).html();
• 1 $(“#title”).html(var content);
• 1 var content = $(“#title”);

Q9. After this code, what is the content of element “title”?

12345678

var number = 1;

if(number == 1){

$(“#title”).html(“chapter” + number + 1);

}

if(number == 2){

number = number + 2;

}

$(“#title”).html(“chapter” + number);

• chapter4
• chapter3
• chapter1
• chapter2

Q10. What gets printed out by this code? (select all that are printed)

12345678910111213141516

var a = 1;

if (a == 1){

console.log(“one”);

a = a + 1;

}

if (a == 1){

console.log(“two”);

}

a = a + 1;

if (a == 2){

• one
• four
• two
• three

Conclusion:

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This course is intended for audiences of all experiences who are interested in learning about new skills in a business context; there are no prerequisite courses.

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