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: Jul 30, 2025

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Question 1

Handling an exception thrown by the interpreter with catch causes:

A : the execution of the program to be automatically aborted,but we can generate our own error message(not necessarily in the console)

B : further executing of the program to depend on the codewe place in the execution handler.

C : the program to continue executing until the last instruction,but we can generate our own error message(not necessarily in the console).

D : nothing to happen, because catch is not used for exception handling.

Answer: B

Question 2

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

Question 3

The minimum JavaScript online development environment will consist of:(Select two correct answers)

A : a forum for developers to exchange information only

B : an online code editor

C : an interactive page with JavaScript documentation

D : the runtime environment

Answer: B,D

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

The string "1024" has been written into the str variable (let str = "1024";)Then the operation str = -str is performed.As a result, the variable str will contain:

A : -1024

B : NaN

C : "-1024"

D : "1024"

Answer: A

Page: 1 / 53

Total 263 Questions | Updated On: Jul 30, 2025

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