Week 2 quiz
JavaScript has no types?
False.
Which of the following is NOT true about HTML attributes.
HTML attributes can be defined in a separate file.
What is the correct HTML for inserting an image?
<img src="image.gif" alt="MyImage">
What is the correct HTML for making a checkbox?
<input type="checkbox">
What is the correct HTML for making a text input field?
<input type="text">
How can you make an ordered list?
<ol>
What HTML element allows for internal CSS to be added to the HTML page?
<style>
Which of these tags are all table oriented tags?
<table>,<tr>,<td>
Which element allows you to add a title to an html page?
<title>
How can you make an unordered list?
<ul>
What does CSS stand for?
Cascading Style Sheets
What is === operator?
Compares value equality as well as data type
External CSS can be reused on multiple pages?
True
More than one stylesheet can be used in an HTML page.
True
What is not true about let, var, and const?
let can be redeclared in the same scope
Which property is used to change the left margin of an element?
margin-left
Which is not a JavaScript event?
onhover
What is the correct CSS syntax for making all the elements bold
p {font-weight:bold}
What color would an h1's text be? h1 { background-color: #00FF00; color: #FF0000; }
red
What is the correct CSS syntax for making all of the < section > elements bold?
section {font-weight:bold;}
What is the correct HTML for creating a hyperlink?
<a href="http://www.example.com">example</a>
What is the correct HTML element for inserting a line break?
<br>
Which of the following are primitive data types in JavaScript? Name Six.
1. Number 2. String 3. Null 4.Undefined 5. Boolean 6. Symbol
In HTML 5 this tag represents the header of the element it is embedded in.
<head>
Javascript expressions name 4 that are true. Assume these are being used in an if statement..
32767 'hello' null == null 5 == '5'
Which of these is the proper representation of a document declaration for an HTML 5 document?
<!DOCTYPE html>
What is the root element of an html page?
<html>
What is the result of the following operation? ( 7 || 0 ) ? "hello" : world
"hello"
The ID selector in CSS uses a
(#) symbol
Which code snippet will produce negative infinity?
-10 / 0
What is the document extension of an HTML document?
.html
How do you select elements with class name "test"? (CSS)
.test{ }
What is the output? (function() { console.log(1); setTimeout(function(){console.log(2)}, 1000); setTimeout(function(){console.log(3)}, 0); console.log(4); })();
1 4 3 2
How would you get the 1st element in an array in JavaScript?
Array[0]
What does DOM stand for?
Document Object Model
What elements do you need for a bare bones HTML page?
Document declaration, html, head and body elements
By default, event handlers are set to the bubbling phase.
FALSE
HTML is a programming language.
FALSE
Java is short for JavaScript
FALSE
What is the output: var x = 'hello' / 3; console.log(x + ' - ' + typeof x);
NaN - number
When using the padding property; are you allowed to use negative values?
No
HTML attribute values are case-sensitive
TRUE
HTML5 was published by
W3C
A stylesheet that is defined in a file outside of the html file is called
an external style sheet
ID and CLASS are examples of HTML
attributes.
Which property is used to change the background color?
background-color
Which is the correct CSS syntax?
body {color: black}
What is the proper way to style a border with thickness of 10 px and solid line?
border: 10px solid;
Create elements dynamically
document.createElement('div')
How can you add new DIV elements dynamically?
document.createElement('div')
Changing HTML content What is the correct JavaScript syntax to change the content of the HTML element?<p id="demo">This is a demonstration.</p>
document.getElementById("demo").innerHTML = "Hello World!";
What is the correct JavaScript syntax to change the content of the HTML element?
document.getElementById("demo").innerHTML = "Hello World!";
Name some valid ways of DOM selection.
document.getElementById(id) document.getElementsByTagName(tagName) document.getElementsByClassName(className) document.querySelector(selector)
Which CSS property controls the text size?
font-size
Select all h1 elements in CSS
h1{ }
What does the hexadecimal number (#FA0AB1) represent in CSS?
hex color code
Which JavaScript timer will execute repeatedly until the function is cancelled?
setInterval
which tag is used to define CSS inside of an HTML document?
style
What is the property to center all of the text contents in an element?
text-align
ES6 syntax .What is the difference between var, let, and const?
var defines a normal (pre-ES6) variable, let defines a block-scoped variable, const defines a constant whose reference cannot change
