JavaScript Basics Quiz

Quiz prerequisites:

Are you ready?

8 questions to answer

How to declare a variable in JavaScript?

What does the following code log?

var x = 10;
console.log(x + 10);

Which of the following definitions best describes a string?

Which of the following values denotes a string?

What does the following code log?

var x = 10;
console.log('x');

Which of the following denotes the three functions in JavaScript that display dialog boxes?

What does the second argument of prompt() do?

What does Number('10') return?

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