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JavaScript Tricky Interview Questions

Jan 15, 2019
Posted in Interview Questions
10 Questions
Programming
  1. What is Coercion in JavaScript?
  2. How would you check if a number is an integer?
  3. What is Object Equality in Javascript?
  4. Why to use === instead of ==?
  5. What is difference between typeof and instanceof?
  6. Which one you use to delete an element from javascript array splice or delete?
  7. How to create an object whose prototype is a given object?
  8. How to add a number to two varible in once?
  9. How to get URL and and its parts in JavaScript?
  10. Write code to strip whitespaces from String in JavaScript?
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#1 Question

What is Coercion in JavaScript?

0 Answer Suggest an edit

#2 Question

How would you check if a number is an integer?

#3 Question

What is Object Equality in Javascript?

0 Answer Suggest an edit

#4 Question

Why to use === instead of ==?

#5 Question

What is difference between typeof and instanceof?

#6 Question

Which one you use to delete an element from javascript array splice or delete?

0 Answer Suggest an edit

#7 Question

How to create an object whose prototype is a given object?

#8 Question

How to add a number to two varible in once?

#9 Question

How to get URL and and its parts in JavaScript?

#10 Question

Write code to strip whitespaces from String in JavaScript?

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