JS Quiz
Predict the output and explain the type of each result. A type conversion can change both arithmetic and comparison behaviour.
Where to run this
This example uses the JavaScript console playground. Select Run to execute it; the example does not run on this lesson page.
Before you run it
Write down the result you expect and explain which line produces it. Then run the example and compare your reasoning with the result below.
A practical example
console.log("3" + 2);
console.log(Number("3") + 2);
console.log(3 === "3");
What happens
The results are the string 32, the number 5, and false.