1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Mrrafil [7]
3 years ago
6

Java-Script Concept quiz:

Computers and Technology
1 answer:
In-s [12.5K]3 years ago
5 0

Answer:

Explanation:

1) the versions of JavaScript that are fully supported by all modern browsers ( Except internet explorer 9) are:

C. ECMAScript 3, ECMAScript 5

2) JavaScript is used to implement complex features on a_____

A. web page

3) computer programming tools that are used to store data are called____

C. variables

4) var name = Scott; is the code to create a ____ called "Scott"

D. None of the above

Scott is a variable

5) the key difference between "var" and "let" variables is that____

D. None of the above  

let is used to redefine a variable by using var to redefine may cause problems

6) Hoisting in JavaScript is the process whereby declarations get moved to the____

C. top

7) Im JavaScript, "/ /" is used to code____

A. comments

8) ______ data types have two potential values - true and false.

D. None of the above

Boolean is the data type and null is always false

9) Using ____ gives coders the ability to query data set data to create blueprints.

C. consoles

The Console object provides access to the browser's debugging console.

You might be interested in
What variation pairs a new employee with an employee who has been with the company for 20 years?
Eva8 [605]

The variation pairs a new employee with an old employee usually focus on employee accomplishments, and criteria that employee meets or not.

<h3>What are the Appraisal Methods used to evaluate an employee's performance?</h3>

The behavioral method is known to be one of the ways to check an employee's actions within a given job.

Conclusively, There is also the use of Comparative methods that tends to compare one employee with different employees. The use of Results methods are the ones that looks into  employee accomplishments.

Learn more about variation pairs from

brainly.com/question/19262673

4 0
2 years ago
Read 2 more answers
¿que significa “TTAQMMQMPDATLSPLNDTMGCCLFEQMMPQTEIUMDR” ?
OlgaM077 [116]

Answer: what

Explanation:

5 0
3 years ago
Read 2 more answers
When did economies begin?
Pavlova-9 [17]
They began in ancient times the babylons started trading
6 0
3 years ago
Read 2 more answers
What happens in Word 2016 when the Home ribbon tab is clicked on?
serg [7]

Answer:

The answar is D.

Explanation:

7 0
3 years ago
What lets you do many things, like write book reports and stories?
Marina CMI [18]
A -
Application programs
8 0
3 years ago
Read 2 more answers
Other questions:
  • Ashley wants to know the oldest form of both water purification and waste disposal. Help Ashley determine the methods. The oldes
    14·1 answer
  • Suppose you send data to the 11111111 11111111 11111111 11111111 ip address on an ipv4 network. to which device(s) are you trans
    15·1 answer
  • What is binary number
    11·1 answer
  • A smart phone is always a _____.<br> client<br> server<br> network<br> process
    10·1 answer
  • Hi! I'm Kayla! I was wondering who does homework on the weekends... anybody?? I guess almost everyone, including me. Anyways, le
    13·2 answers
  • You have just finished upgrading the 250 w power supply in your desktop computer to a 450 w power supply. now the bios doesn't r
    7·1 answer
  • Is an electronics standard that allows different kinds of electronic instruments to
    12·1 answer
  • Choose all stages of the information processing cycle.
    12·2 answers
  • Why does this website have so many copies of plagiarism?
    5·1 answer
  • The RGB value below produces a shade of purple. What does the number 175
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!