JavaScript Course | Practice Quiz-1

Question 61

In js callstack refers to which of the following

• Place where code is executed using execution context
• Where objects are stored
• Both a and b
• None of the above

Question 62

In js heap refers to which of the following

• Place where code is executed using execution context
• Where objects are stored
• Both a and b
• None of the above

Question 63

What is a compilation?

• Source code is converted to machine code and then to binary code after which the file is executed by the computer
• Running through the source code line by line and executing each line one by one
• Both a and b
• None of the above

Question 64

What is Interpretation?

• Source code is converted to machine code and then to binary code after which the file is executed by the computer
• Running through the source code line by line and executing each line one by one
• Both a and b
• None of the above

Question 65

What is Interpretation?

• Source code is converted to machine code and then to binary code after which the file is executed by the computer
• Running through the source code line by line and executing each line one by one
• Both a and b
• None of the above

Question 66

Which method is used by js to read the code

• Compilation
• Interpretation
• The mix of compilation and interpretation
• None of the above

Question 67

Which of the following is true w.r.t. variables

• Variables declared with let and const can’t be hoisted

• Variables declared with var can be hoisted

• Both a and b

• None of the above

Question 68

Event handlers are a type of

• Interface
• Functions
• classes
• None of the above

Question 69

When is an event handler invoked by the browser

• Refreshing the browser
• First time of loading a page
• When that specified event occurs
• All of the above

Question 70

______ specifies the property of an event

• type
• name
• value
• All of the above