Certification Test


Que No. 1 ) What is the primary purpose of JavaScript in web development? A.) Styling B.) Interactivity C.) Database management D.) Server-side rendering
Que No. 2 ) Which keyword is used to declare a variable in JavaScript? A.) var B.) variable C.) int D.) declare
Que No. 3 ) How do you write a comment in JavaScript? A.) //This is a comment B.) !--This is a comment-- C.) 'This is a comment' D.) /This is a comment/
Que No. 4 ) Which of the following is not a JavaScript data type? A.) Number B.) Boolean C.) Float D.) String
Que No. 5 ) What is the result of "5" + 2 in JavaScript? A.) "52" B.) 7 C.) "7" D.) Error
Que No. 6 ) How do you declare a constant variable in JavaScript? A.) const B.) let C.) var D.) constant
Que No. 7 ) Which operator is used to compare equality without considering the data type? A.) == B.) === C.) != D.) !==
Que No. 8 ) What is the purpose of the typeof operator in JavaScript? A.) To check if a variable is defined B.) To determine the data type of a value C.) To create a new variable D.) To check if a variable is null
Que No. 9 ) Which built-in function can be used to print content to the console in JavaScript? A.) console.log() B.) print() C.) display() D.) write()
Que No. 10 ) How do you write a function in JavaScript? A.) functionmyFunction() {} B.) defmyFunction() {} C.) funcmyFunction() {} D.) fnmyFunction() {}

A.) Styling
B.) Interactivity
C.) Database management
D.) Server-side rendering

A.) var
B.) variable
C.) int
D.) declare

A.) //This is a comment
B.) !--This is a comment--
C.) 'This is a comment'
D.) /This is a comment/

A.) Number
B.) Boolean
C.) Float
D.) String

A.) "52"
B.) 7
C.) "7"
D.) Error

A.) const
B.) let
C.) var
D.) constant

A.) ==
B.) ===
C.) !=
D.) !==

A.) To check if a variable is defined
B.) To determine the data type of a value
C.) To create a new variable
D.) To check if a variable is null

A.) console.log()
B.) print()
C.) display()
D.) write()

A.) functionmyFunction() {}
B.) defmyFunction() {}
C.) funcmyFunction() {}
D.) fnmyFunction() {}

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