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Tutorial 9 Quiz - Getting Started with JavaScript

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Section 1

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A(n) _____ is any group of characters enclosed within either double or single quotation marks in JavaScript.

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Cards (30)

Section 1

(30 cards)

A(n) _____ is any group of characters enclosed within either double or single quotation marks in JavaScript.

Front

text string

Back

A variable requires an initial value to be defined.

Front

False

Back

Identify a syntax for JavaScript function.

Front

function function_name(parameters){ commands }

Back

Identify a method that repeatedly runs commands at specified time breaks in a function created.

Front

setInterval("command", interval)

Back

JavaScript is a procedural language that needs a compiler to translate the code into machine language.

Front

False

Back

To avoid fatal errors, it is advised to apply the _____ statement locally only to functions that are created rather than globally as the first line of the script file.

Front

"use strict";

Back

To break a text string into several lines, which means that the text string continues on the next line, the _____ character should be used.

Front

backslash

Back

A logical error is the easiest to fix as the errors in the code can be traced easily.

Front

False

Back

The script element can be placed anywhere within the HTML document.

Front

True

Back

The technique for locating the source of an error is to set up _____, which are locations where the browser will pause the program, allowing the programmer to determine the error at that position.

Front

breakpoints

Back

Objects are organized into groups called _____.

Front

object collections

Back

Parameters are treated as variables within a function.

Front

True

Back

Identify a return value for the expression 5/"A" using JavaScript.

Front

NaN

Back

_____ is the process of locating and fixing a programming error.

Front

Debugging

Back

JavaScript comments can be entered on single or multiple lines.

Front

True

Back

In JavaScript, the clearTimeout() method is used to clear all repeated commands.

Front

False

Back

_____ is the programming language for client-side programs.

Front

JavaScript

Back

A command that indicates an action for the browser to take should end with a _____.

Front

semicolon

Back

Terin has created a page for a training institute that will allow users to browse the training courses provided at the institute. Terin uses JavaScript to write the content using objects and functions. The objects defined in the code are document object, history object, screen object, navigator object, and the location object. Terin wants to create an object that will contain information about the browser application. Which of the following objects must Terin create to accomplish this?

Front

navigator object

Back

Any command that references a document object before the browser has parsed the HTML code will result in an error because those objects do not yet reside in memory.

Front

True

Back

Which of the following syntax is used for a function to return a value?

Front

function function_name(parameters){ commands return value;}

Back

A video embedded on a web page is a(n) _____ and has properties such as source of the video file or the width and height of the video player.

Front

object

Back

Identify the output of the following code. var x = 8; var y = 6;

Front

96

Back

JavaScript is case sensitive.

Front

True

Back

_____ are intrinsic to the JavaScript language.

Front

Built-in objects

Back

A user can create an embedded script by removing the _____ attribute and placing all of the JavaScript code within the script element.

Front

src

Back

Which of the following can be referenced only after the browser has finished parsing the page content?

Front

Document objects

Back

Identify a command that displays a dialog box containing the message "Hello World!".

Front

window.alert("Hello World!");

Back

JavaScript is used as a programming tool for:

Front

creating interactive web forms and animated graphics

Back

The _____ property should be used only when no markup tags are involved.

Front

textContent

Back

Tutorial 9 Quiz - Getting Started with JavaScript

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A(n) _____ is any group of characters enclosed within either double or single quotation marks in JavaScript.

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Cards (30)

A(n) _____ is any group of characters enclosed within either double or single quotation marks in JavaScript.

​text string

​ A variable requires an initial value to be defined.

False

​ Identify a syntax for JavaScript function.

function function_name(parameters){ commands }

​ Identify a method that repeatedly runs commands at specified time breaks in a function created.

setInterval("command", interval)

​ JavaScript is a procedural language that needs a compiler to translate the code into machine language.

False

​ To avoid fatal errors, it is advised to apply the _____ statement locally only to functions that are created rather than globally as the first line of the script file.

"use strict";

​ To break a text string into several lines, which means that the text string continues on the next line, the _____ character should be used.

​backslash

​ A logical error is the easiest to fix as the errors in the code can be traced easily.

False

​ The script element can be placed anywhere within the HTML document.

True

​ The technique for locating the source of an error is to set up _____, which are locations where the browser will pause the program, allowing the programmer to determine the error at that position.

​breakpoints

​ Objects are organized into groups called _____.

object collections

​ Parameters are treated as variables within a function.

True

​ Identify a return value for the expression 5/"A" using JavaScript.

​NaN

​ _____ is the process of locating and fixing a programming error.

​Debugging

JavaScript comments can be entered on single or multiple lines.

True

​ In JavaScript, the clearTimeout() method is used to clear all repeated commands.

False

​_____ is the programming language for client-side programs.

​JavaScript

​ A command that indicates an action for the browser to take should end with a _____.

​semicolon

​navigator object

​ Any command that references a document object before the browser has parsed the HTML code will result in an error because those objects do not yet reside in memory.

True

​ Which of the following syntax is used for a function to return a value?

function function_name(parameters){ commands return value;}

​ A video embedded on a web page is a(n) _____ and has properties such as source of the video file or the width and height of the video player.

​object

Identify the output of the following code. var x = 8; var y = 6;

​96

​ JavaScript is case sensitive.

True

​ _____ are intrinsic to the JavaScript language.

​Built-in objects

​ A user can create an embedded script by removing the _____ attribute and placing all of the JavaScript code within the script element.

​src

​ Which of the following can be referenced only after the browser has finished parsing the page content?

Document objects

​ Identify a command that displays a dialog box containing the message "Hello World!".

window.alert("Hello World!");

JavaScript is used as a programming tool for: ​

​creating interactive web forms and animated graphics

​ The _____ property should be used only when no markup tags are involved.

​textContent

text string

A variable requires an initial value to be defined.

Identify a syntax for JavaScript function.

Identify a method that repeatedly runs commands at specified time breaks in a function created.

JavaScript is a procedural language that needs a compiler to translate the code into machine language.

To avoid fatal errors, it is advised to apply the _____ statement locally only to functions that are created rather than globally as the first line of the script file.

To break a text string into several lines, which means that the text string continues on the next line, the _____ character should be used.

backslash

A logical error is the easiest to fix as the errors in the code can be traced easily.

The script element can be placed anywhere within the HTML document.

The technique for locating the source of an error is to set up _____, which are locations where the browser will pause the program, allowing the programmer to determine the error at that position.

breakpoints

Objects are organized into groups called _____.

Parameters are treated as variables within a function.

Identify a return value for the expression 5/"A" using JavaScript.

NaN

_____ is the process of locating and fixing a programming error.

Debugging

In JavaScript, the clearTimeout() method is used to clear all repeated commands.

_____ is the programming language for client-side programs.

JavaScript

A command that indicates an action for the browser to take should end with a _____.

semicolon

navigator object

Any command that references a document object before the browser has parsed the HTML code will result in an error because those objects do not yet reside in memory.

Which of the following syntax is used for a function to return a value?

A video embedded on a web page is a(n) _____ and has properties such as source of the video file or the width and height of the video player.

object

96

JavaScript is case sensitive.

_____ are intrinsic to the JavaScript language.

Built-in objects

A user can create an embedded script by removing the _____ attribute and placing all of the JavaScript code within the script element.

src

Which of the following can be referenced only after the browser has finished parsing the page content?

Identify a command that displays a dialog box containing the message "Hello World!".

JavaScript is used as a programming tool for:

creating interactive web forms and animated graphics

The _____ property should be used only when no markup tags are involved.

textContent