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cist 1520 final

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
show HTML  
🗑
show A Web browser  
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show JavaScript  
🗑
is the international standard name and specification used for the JavaScript language.   show
🗑
show LiveScript  
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show prototype-based  
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In what ways can a fancy code editor help a JavaScript programmer?   show
🗑
A language doesn't require a program to be compiled before it is run.   show
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show The client  
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show It is added to an HTML document  
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JavaScript and Java are the same language   show
🗑
JavaScript has similarities to other programming and scripting languages   show
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show False  
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show False  
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What is added to a Web page to insert JavaScript code?   show
🗑
What is the purpose of the <script> and </script> tags?   show
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show To ensure the Web page validates when using XHTML  
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Is JavaScript code case sensitive?   show
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The noscript tag provides ___ for those without ___.   show
🗑
An external JavaScript file commonly uses a filename extension of _.   show
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show <script src="yourfile.js"></script>  
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show Lowercase  
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The _ signals the end of a JavaScript statement.   show
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To write a string of text on a Web page, the _ method can be used.   show
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When would it be a good idea to use external JavaScript file?   show
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JavaScript comments can be very useful for the purpose of _ or _ your code.   show
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show //  
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Which of the following indicates that more than one line of commentary will follow it within JavaScript code?   show
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Which of the following indicates the end of a multiple-line JavaScript comment?   show
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show Close  
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A variable represents or holds a ___   show
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What are the benefits of using variables?   show
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To declare a variable, you use the ___ keyword   show
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What symbol is used as the assignment operator in JavaScript?   show
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show var pagenumber=240;  
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Variable names are not case sensitive.   show
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show letter, a dollar, or an underscore  
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show TRUE  
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Which of the following variable declarations uses a variable with a valid variable name in JavaScript?   show
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show number, string, boolean, null, undefined, symbol, and object.  
🗑
To denote an exponent in JavaScript, you use the letter ___ right after the base number and before the exponent.   show
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show var mytext="Here is some text!';  
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show document.write("John said,\"Hi!\"");  
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show Special characters  
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show document.write("I like to " +myhobby+ " every weekend");  
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show function  
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show They provide a way to organize the various parts of the script into the different tasks that must be accomplished, and they can be reused.  
🗑
On the first line of a function, ________ whether it accepts any arguments.   show
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To declare a function, you use the ____ function.   show
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show {} (curly brackets)  
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Function names are case sensitive.   show
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show FALSE  
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Which of the following would be a valid function name in JavaScript?   show
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Arguments are used to allow a function to import ____ values from somewhere outside the function.   show
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Arguments are set on the first line of a function, inside a set of _____   show
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show Comma  
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show window.alert("This is text");  
🗑
Which of the following correctly calls a function named some_alert() and sends it two string values as arguments?   show
🗑
show var shopping=get_something();  
🗑
A ___ variable can be used anywhere in JavaScript.   show
🗑
The _____ keywords create values in the current block context.   show
🗑
show An operator  
🗑
show Arithmetic  
🗑
The ____ operator adds two values.   show
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When the increment operator is placed before the operand,__________, and then the rest of the statement is executed.   show
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Which of the following is not a JavaScript operator?   show
🗑
show Assigns a new value to a variable  
🗑
The ____ opertor adds the value on the right side of the operator to the variable on the left side and then assigns the new value to the variable.   show
🗑
show Compares two values or statements, and returns a valie of true or false.  
🗑
Which of the following comparisons will return true?   show
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Which of the following comparisons will return false?   show
🗑
show one or both  
🗑
Which of the following statements will return true?   show
🗑
show (4 >=4) && (5<=2)  
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show Bitwise  
🗑
In JavaScript, the operators have a certain order of _____.   show
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Which method is used to get data stored during a drag and drop?   show
🗑
show event.dataTransfer  
🗑
The ___ event occurs when an element begins being dragged.   show
🗑
show FALSE  
🗑
show libraries  
🗑
The ____ attribute of an element defines whether or not the element can be dragged.   show
🗑
When drawing on a canvas, you can use the fillCircle() method to draw a circle.   show
🗑
The ____ elements allows you to use JavaScript to draw on a defined area of the page.   show
🗑
show Cross-browser  
🗑
___ syntax is used to select elements in jQuery.   show
🗑
show $("#story").hide();  
🗑
show $(document).ready()  
🗑
The acronym for JavaScript Object Notation is ___.   show
🗑
show TRUE  
🗑
___ stands for Asynchronous JavaScript and XML.   show
🗑
show XMLHttpRequest  
🗑
Which of the following HTML5 form attributes is used for fields that must be filled in by the user to validate?   show
🗑
The ___ method allows you to submit a form without the viewer clicking the submit button.   show
🗑
show <label></label>  
🗑
Which of the following would add a valid meter tag to the document to show 8 on a scale of 0 to 10?   show
🗑
The ____ method allows you to reset a form using your script.   show
🗑
The ___ attribute in HTML5 allows you to give a form field a regular expression it must validate.   show
🗑
The ___ property is an array that allows you to access each element in a specific form.   show
🗑
The ___ property allows you to access the value of the action="url" attribute in the opening form tag.   show
🗑
Which of the following accesses the value of an element named e1 in a form f1?   show
🗑
Using form ___ or ___ allows you to name the forms on the page that you want to access later.   show
🗑
show document.forms.length  
🗑
Which of the following would find the number of elements in the third form on a page?   show
🗑
show document.forms[3]  
🗑
The forms ____ allows you to access a form using an index number.   show
🗑
The ____ objects provides properties and methods to get information about string or to modify strings.   show
🗑
What are the two ways in which you can create String objects?   show
🗑
show literal  
🗑
show JavaScript takes the string literal and turns it into a temporary String object  
🗑
Which property of the String object can you use with both String objects and string literals?   show
🗑
The ____ property returns the length of a string.   show
🗑
Which of the following correctly creates a string literal?   show
🗑
Which method of the String object can you use to find which character is at a given position in a string?   show
🗑
The ___ method adds <big> and </big> tags around a string value.   show
🗑
The concat() method ___ two or more string together and returns the new combined string value.   show
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Which one of the following statements is true?   show
🗑
show document.cookie  
🗑
The ___ method returns the string literal value of a string.   show
🗑
show form  
🗑
What is the difference between the setInterval() method and the setTimeout() method?   show
🗑
When setting the toolbar attribute as part of the third parameter in the open() method, what values may the attribute have?   show
🗑
show prompt  
🗑
The ___ method enables the viewer to print the current window.   show
🗑
show True  
🗑
show alert()  
🗑
What is the difference between the parent and top properties?   show
🗑
Why would this code not work: onmouseover="window.status='Page 2'; return true;"   show
🗑
The ___ property is another way of saying "the current window" in JavaScript.   show
🗑
The calls to properties and methods of the window object can often be shortend because:   show
🗑
show Name  
🗑
show TRUE  
🗑
The ____ property returns the number of frames within a window.   show
🗑
The closed property is used to check whether or not a window has been closed.   show
🗑
A ___ object is created for each browser window   show
🗑
show match()  
🗑
show replace()  
🗑
A _____ loop looks at a comparison and repeats until the comparison is no longer true.   show
🗑
show FALSE  
🗑
What property of the Array object will return the numeric value of the length of an array?   show
🗑
show bracket  
🗑
A _____ function can be used to create an object structure.   show
🗑
A(n) _____ of an object can be created using the new keyword.   show
🗑
You can only have one instance of an object.   show
🗑
Which of the following correctly assigns the day of the week for an instance of the Date object named rightnow to a variable named weekday?   show
🗑
The getMonth() method returns the same number as the number that represents the current month (for example, returns 1 if the current month is January).   show
🗑
show getDay()  
🗑
show An instance of the Date object  
🗑
show sqrt()  
🗑
show var rand_int=Math.floor(Maath.random()*8);  
🗑
The pow() method returns the numeric value of the ____ argument raised to the power of the ____ argument.   show
🗑
show asin()  
🗑
The abs() method returns the ____ value of a number sent to it as an argument.   show
🗑
The ___ property holds the value of the square root of 2.   show
🗑
Which of the following would correctly write the value of pi on a Web page?   show
🗑
The LOG10E property holds the value of the logarithm of 10*E   show
🗑
show logarithm  
🗑
show E  
🗑
What do the properties and methods of the Math objects enable you to do?   show
🗑
show WHERE  
🗑
You should give all users of your database permission to delete data.   show
🗑
An Express ____ can be used to handle what happens when users try to access a certain route from your Web app.   show
🗑
show 80  
🗑
The ____ module can be used to create a Web server in Node.js.   show
🗑
What symbol is used to return all columns when querying a database?   show
🗑
The ____ module can be used to query your database from a Node script.   show
🗑
You should always use the superuser account to query your database from your Web application.   show
🗑
The ___ stack uses MongoDB, Express, AngulatJS, and NodeJS.   show
🗑
One one type of database can be used with Node.js.   show
🗑
show .js  
🗑
A ____ module allows you to define your own reusable code.   show
🗑
show const fs = require('fs');  
🗑
show node hello-world.js  
🗑
show FALSE  
🗑
show addEventListener() , attachEvent()  
🗑
show window.event  
🗑
The keydown event occurs when a viewer presses down a key on the keyboard.   show
🗑
The submit event occurs when the viewer ___ on a Web page.   show
🗑
show type  
🗑
The ____ object contains properties and methods for an event.   show
🗑
show focus  
🗑
The ____ event occurs when the viewer leaves the current Web page.   show
🗑
A mouseout event occurs when a viewer clicks an element on the page.   show
🗑
show The viewer moves the mouse cursor over an element on the page  
🗑
The ____ event occurs when a Web page has finished loading.   show
🗑
Which of the following correctly codes an alert on the click event?   show
🗑
show HTML , JavaScript  
🗑
Event handlers are useful because they enable you to gain _____ to the _____ that may occur on the page.   show
🗑
An event handler is a predefined JavaScript property of an object that is used to handle an event on a Web Page.   show
🗑
What statements are most common between a document.open() and a document.close() statement?   show
🗑
show All the elements that have the same value for the name attribute (most commonly radio buttons).  
🗑
How does the writeln() method differ from the write() method?   show
🗑
show URL  
🗑
You can use the title property to display the title of a Web page someplace other than in the top bar of the browser window.   show
🗑
show TRUE  
🗑
show lastModified  
🗑
show innerHTML  
🗑
The ____ property of the document object is an array that contains all the anchor (<a>) tags on the page.   show
🗑
You cannot remove nodes from the document once they have been added.   show
🗑
show FALSE  
🗑
show getElementById()  
🗑
You can use the DOM node property style to alter the style sheet attributes of an element.   show
🗑
show REFERRER  
🗑
The _______ object is an object that is created by the browser for each new HTML page that is viewed.   show
🗑
Which of the following is not a property of the navigator object?   show
🗑
show NAVIGATOR  
🗑
In JavaScript, there are many ____ objects you can use to gain access to certain properties and methods you may need.   show
🗑
assuming the myhouse object exists, the kitchen property is assigned a new string value of :big: or is initialized with the value "big".   show
🗑
show window.alert("You are using" + navigator.appName);  
🗑
show PROTOTYPE  
🗑
What could you say about the following code: let x = myhouse.kitchen;   show
🗑
show dot operator (.)  
🗑
show TRUE  
🗑
show CONSTRUCTOR  
🗑
An object is a collection of _______ and _______.   show
🗑
Rather than executing every single line of code within the script, a conditional statement allows certain sections of the script to be executed only when a particular condition is met   show
🗑
Which of the following would be valid as the first line of an if/else statement?   show
🗑
Which of these would not be advisable as the first line of a while loop (it creates an infinite loop)?   show
🗑
Which of these would be valid as the first line of a for loop?   show
🗑
show FALSE  
🗑
show FALSE  
🗑
The last line of a do while block contains only a curly bracket.   show
🗑
How many times can you nest a code block within another?   show
🗑
An ____ is a way of storing a list of data.   show
🗑
By default, how does the sort() method sort the contents of an array?   show
🗑
The ____ method is used to remove the last element from an array.   show
🗑
show Nested  
🗑
show join()  
🗑
The____ method is used to combine the items of two or more arrays and return a new array containing all of the items.   show
🗑
show Creates an array with five items  
🗑
Which of the following does not correctly create an array?   show
🗑
show FALSE  
🗑
In JavaScript, there are ____ ways to define an array.   show
🗑
A ____ is a block of code that allows you to repeat a section of code certain number of times.   show
🗑
show loop  
🗑
The ___ statement allows you to take a single variable value and execute a different line of code based on the value of the variable.   show
🗑
You can think of a conditional statement as being a little like _____.   show
🗑
What do you use to enclose the blocks of code in conditionals and loops?   show
🗑
In an array, access to an element is achieved through the use of a ___.   show
🗑
show new Array  
🗑
show execute a bit of code based on a condition  
🗑


   

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