Web Programming and Applications Final Exam MCQ and Fill in the blanks.
The full form of BOM is __________
Browser Object Model (BOM)
is a computer language that annotates a document in a way that is syntactically distinguishable from the text.
Mark up language
The procedures associated with an object are called _________.
Methods
_________ property specifies the transparency of an element.
Opacity
What method is used to convert JavaScript to object?
Parse()
For the following styling, the color of "Text" will be ________. <style> .text span {color: red;} span {color: blue;} div {color: green;} div span {color: black;} p span {color: yellow;} </style> <div> <p> <span class = "text"> <span>Text</span> </span> </p> </div>
Red
A sticky element toggles between _________ and __________ position depending on the scroll position
Relative and Fixed
Which for element is useful for limiting user option to a set of choices?
Selection List
During debugging, there are two different statements that you can add to your code to provide you with additional information. They are ______________ and ______________.
console.log(value) and window.alert()
Which method of the Array class removes the last element from the end of an array?
pop()
Which method returns all the elements in a document that math the selector p figure img?
querySelectorAll("p figure img")
Which of the following statements creates an empty object called newObj?
var newObj = {};
___________ or ___________ tag can be used to define a bold text.
<b> and Strong
Which Web Storage does not have an expiration date?
Local Storage
What value of the selectedIndex property of a select object corresponds to no selection?
-1
The total width of the following element is ________. div{ width: 120px; padding: 10px; border: 5px solid gray; margin: 0; outline-width: 4px; }
150px (width + padding*2 + border*2)
The bottom margine for a paragraph which has the following style will be ____________________. p{ margin: 25px 50px 40px; }
40 px
The bottom margine for a paragraph which has the following style will be ____________________. p{ margin: 25px 50px 75px; }
75px
An example styling of a pseudo class is ________.
:hover
HTML comments start with _____________ and ends with ________.
<!-- -->
All HTML documents must start with a document type declaration which is ________________.
<!DOCTYPE html>
An example of an empty HTML Element is ____________.
<br>
An example of block element is ______.
<div>
tag defines the least important/smallest heading in HTML.
<h6>
An example of an inline element is ______________.
<span>
For multiline input, _________ form element is used.
<textarea>
The ______ tag defines a title in the browser tab for the web page.
<title>
The strict equal operator in JavaScript is __________.
===
During a web request, ____________ finds the real address of the server that the requested website lives on.
DNS Server
The full for of DOM is ____________
Document Object Model (DOM)
The code that tells a browser what to do in response to a specific event on a specific element is called an _____________________.
Event Handler
In a try block, which statement executes regardless of whether its associated try block throws an exception or not?
Finally
To make a window the active window, you use the ______ method of the window object.
Focus()
To execute the same statement or command block for all properties within a custom object, you can use the ________ statement.
For/in
Where can you find JavaScript error message in a browser?
In the console
Different types of errors in JS?
Syntax, Run-time, and Logic
An __________ variable is a variable that never had a value assigne to it, has not been declared, or does not exist.
Undefined
Which of the following is not a falsy value?
Unknown
___________ property specifies the stack order of an element (which element shoukd be placed in front of or behind the others)
Z-index
If you set the target attribute to ______ inside <a>, the link will open in a new browser window or tab.
_blank
Which method displays a dialog box with an OK button?
alert()
Inside the <img> tag, the ____________ attribute specifies the alternative text used, if an image cannot be displayed.
alt
Two methods for adding a note to DOM are ________ and _________.
appendChild() and insertBefore()
The __________ attribute inside <a> is used to specify link address.
href
What built-in JavaScript function do you use to test whether a value is not a number?
isNan()
