Which keyword is used to create a loop with multiple cases in JavaScript?
A). switch
B). for
C). while
D). if
Which keyword is used to declare constants in JavaScript?
A). const
B). let
C). var
D). constant
What is the purpose of the 'if' keyword in JavaScript?
A). To perform conditional execution
B). To declare functions
C). To create loops
D). To skip iterations in a loop
Which keyword is used to declare variables in JavaScript?
A). var
B). let
C). const
D). variable
Which keyword is used to remove a property from an object?
A). delete
B). remove
C). erase
D). discard
What does the 'break' keyword do in JavaScript?
A). Exits a loop or switch statement
B). Continues to the next iteration in a loop
C). Returns a value from a function
D). Skips the current iteration in a loop
Which keyword is used to create a new instance of an object?
A). new
B). instanceof
C). this
D). create
What does the 'typeof' keyword return for a number?
A). number
B). string
C). object
D). undefined
Which keyword is used to create an instance of an array in JavaScript?
A). new
B). instanceof
C). this
D). create
What does the 'this' keyword refer to in JavaScript?
A). The object on which a method is called
B). The global object
C). The parent function
D). The current file