Computers and Technology, 05.05.2020 10:15 chuchi24
JavaScript Concept quiz:
1) the versions of JavaScript that are fully supported by all modern browsers ( Except internet explorer 9) are:
A. ECMAScript 5, ECMAScript 6
B. ECMAScript 4, ECMAScript 5
C. ECMAScript 3, ECMAScript 5
D. None of the above
2) JavaScript is used to implement complex features on a
A. web page
B. learning management system
C. Hard drive
D. none of the above
3) computer programming tools that are used to store data are called
A. Tags
B. Boxes
C. variables
D. None of the above
4) var name = Scott; is the code to create a called "Scott"
A. value
B. name
C. variable
D. None of the above
5) the key difference between "var" and "let" variables is that
A. "var" can be re-defined and "let" cannot
B. "var" are short term, "let" are long term
C. "var" store graphic elements, "let" stores basic elements
D. None of the above
6) Hoisting in JavaScript is the process whereby declarations get moved to the
A. bottom
B. left side
C. top
D. None of the above
7) Im JavaScript, "/ /" is used to code
A. comments
B. variables
C. headers
D. None of the above
8) data types have two potential values - true and false.
A. null
B. variables
C. headers
D. None of the above
9) Using gives coders the ability to query data set data to create blueprints.
A. objects
B. comments
C. consoles
D. None of the above
10) The order of best mathematical operations used with coding JavaScript is known by the acronym
Answers: 2
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JavaScript Concept quiz:
1) the versions of JavaScript that are fully supported by all m...
1) the versions of JavaScript that are fully supported by all m...
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