Free JS Institute JSE-40-01 Exam Questions

Become JS Institute Certified with updated JSE-40-01 exam questions and correct answers

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Total 263 Questions | Updated On: Mar 07, 2026

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Question 1

A recursive function is a function that:

A : does not use global variables.

B : does not return any value.

C : uses loop instructions.

D : calls itself again while running.

Answer: D

Question 2

Most errors in JavaScript code that the interpreter encounterswhile the program is running cause exceptions to be thrown.What do unhandled exception do?

A : The interpreter ignores unhandled exceptions,the program continues to execute,and no information is received.

B : An error message appears in the consoleand the execution of the program is aborted.

C : An error message appears in the consoleand program execution continues.

D : The interpreter removes the erroneous piece of code,replaces it with corrected one,and continues the program execution.

Answer: B

Question 3

Analyze the following code:let id = "100";{ let id = 200; id = id + 1; console.log(id)}What will appear in the console as a result?

A : 1001

B : 201

C : 101

D : 200

Answer: B

Question 4

If a variable stores the value false then the variable:

A : will no longer be used in the program.

B : is of the Math type.

C : is of the Logical type.

D : is of the Boolean type.

Answer: D

Question 5

Review the following code (note the variable name)let height = 170;height = height + 10;console.log(Height);As a result of its execution, the following should appear in the console:

A : "Height"

B : 180

C : "Uncaught ReferenceError: Height is not defined"

D : 170

Answer: C

Page: 1 / 53

Total 263 Questions | Updated On: Mar 07, 2026

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