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
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
Which keyword is used to determine the type of a variable or an expression?
A). typeof
B). type
C). typeOf
D). instanceof
Which keyword is used to skip the current iteration in a loop?
A). continue
B). break
C). return
D). exit
Which keyword is used to remove a property from an object?
A). delete
B). remove
C). erase
D). discard
What does the 'return' 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
What is the purpose of the 'instanceof' keyword in JavaScript?
A). To determine if an object is an instance of a particular class or constructor
B). To check if an object is empty
C). To check if a variable is undefined
D). To compare two objects
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
Which keyword is used to create a loop with multiple cases in JavaScript?
A). switch
B). for
C). while
D). if