Javascript variable quiz
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JavaScript Variables Quiz

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Javascript variable quiz

JavaScript Variables Quiz

This quiz will test your knowledge about JavaScript Variables let,const and var.

1 / 10

When should var be used in modern JavaScript development?

2 / 10

Which keyword allows variables to be redeclared within the same scope?

3 / 10

What scope does a variable declared with let or const have?

4 / 10

What error occurs when you try to reassign a variable declared with const?

5 / 10

Which keyword should be used for a variable whose value changes over time?

6 / 10

Which of the following is true for var?

7 / 10

What happens when you declare an object using const?

8 / 10

Which keyword allows you to reassign the value of a variable in JavaScript?

9 / 10

What is the default variable declaration choice in modern JavaScript for values that won’t change?

10 / 10

Which keyword not declares a block-scoped variable in JavaScript?

Your score is

The average score is 59%

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Want to know “How to Declare Variables in JavaScript: A Beginner’s Guide to var, let, and const“

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