Exam 98-382 topic 1 question 30 discussion

Actual exam question from Microsoft's 98-382

Question #: 30
Topic #: 1

HOTSPOT -
You are creating a function that does safe division.
The function has the following requirements:
✑ The function receives two parameters for the numerator and denominator.
✑ If the denominator is zero, the function must return false.
✑ If the denominator is not zero, the function must return true.
You write the following code. Line numbers are included for reference only.

For each of the following statements, select Yes if the statement is true. Otherwise, select No.
NOTE: Each correct selection is worth one point.
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References:
https://www.w3schools.com/js/js_comparisons.asp
https://www.w3schools.com/jsref/jsref_if.asp

by Ciupaz at Oct. 7, 2020, 1:50 p.m.

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Ciupaz

Highly Voted 4 years, 9 months ago

This function returns always True

upvoted 9 times

becky_intelletive

4 years, 6 months ago

You're right, it does. They likely meant if (denominator === 0) instead of if (denominator = 0)

upvoted 1 times

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kisskeo

3 years, 9 months ago

always return true. I checked in the console.

upvoted 1 times

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dev_ash

Most Recent 3 years, 3 months ago

denominator === 0 not denominator = 0 in this if check

upvoted 1 times

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123nickname123

4 years, 3 months ago

The function will always return false because denominator = 0 is always true

upvoted 2 times

toby5

4 years, 1 month ago

No, it will always return TRUE, because denominator = 0 is an assignment, not a conditional expression. That's a deliberate trap, I guess, to test the knowledge of = vs ===.

upvoted 2 times

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