Learn JavaScript from Scratch JavaScript for Everyone - Strict Comparisons
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Information Technology (IT), Architecture
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University
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Practice Problem
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main difference between loose and strict comparisons in JavaScript?
Neither loose nor strict comparisons allow type conversion.
Both loose and strict comparisons allow type conversion.
Loose comparison allows type conversion, while strict comparison does not.
Strict comparison allows type conversion, while loose comparison does not.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example provided, what is the result of comparing a string '0' with a number 0 using loose comparison?
True, because they are both numbers.
False, because loose comparison does not allow type conversion.
True, because loose comparison allows type conversion.
False, because they are different types.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is strict comparison considered faster for processing in JavaScript?
Because it skips the comparison process.
Because it uses more memory.
Because it only compares values without type conversion.
Because it converts types before comparing.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a limitation of strings compared to numbers in JavaScript?
Strings can be used in mathematical operations.
Strings cannot be used in mathematical operations.
Strings can be converted to uppercase.
Strings can be multiplied by numbers.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of using triple equals in production-level JavaScript code?
It allows comparison of different data types.
It improves performance by avoiding type conversion.
It ensures type conversion during comparison.
It is slower than using double equals.
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