Free JS Institute JSE-40-01 Exam Questions
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JS Institute JSE-40-01 Exam Questions
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Provided By: JS Institute
- Exam: JSE Certified Entry-Level JavaScript Programmer
- Certification: JavaScript
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Total Questions: 263
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Updated On: Nov 12, 2024
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Rated: 4.9 |
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Online Users: 526
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Question 1
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Analyze the code below:
let a = 10;
do {
console.log(--a);
} while (a > 3);
Which statement can replace the do ... while from the example above?
Answer: C
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Analyze the code below:
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Question 2
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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:
Answer: A
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The string "1024" has been written into the str variable (let str = "1024";)
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Question 3
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Analyze the following code:
let msg "Hello World";
console.log(msg);
What exception will be thrown as a result of its execution attempt?
Answer: B
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Analyze the following code:
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Question 4
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Analyze the following code:
let x = 10;
function test() {
let x = 20;
}
test();
console.log(x);
What will be displayed in the console as a result of its execution?
Answer: A
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Analyze the following code:
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Question 5
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We want to declare a protocol constant and initialize it with the value "http"
What should such a declaration look like?
Answer: D
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We want to declare a protocol constant and initialize it with the value "http"