Learning Axis

What is the output of the following JavaScript expression?

console.log(typeof null);

6 days ago | [YT] | 40

Learning Axis

Which reliably checks only for the value NaN?

6 months ago | [YT] | 58

Learning Axis

If you call setTimeout(fn, 0), when does fn run?

6 months ago | [YT] | 45

Learning Axis

What does rel="noopener" do when used with target="_blank"?

6 months ago | [YT] | 43

Learning Axis

JavaScript - Which loop runs at least once?

6 months ago | [YT] | 57

Learning Axis

CSS - What is the default position value?

6 months ago | [YT] | 54

Learning Axis

What happens if you set display: none?

7 months ago | [YT] | 59

Learning Axis

What does margin: 0 auto; usually do?

7 months ago | [YT] | 45

Learning Axis

Which has higher priority?

7 months ago | [YT] | 43

Learning Axis

Which tag is an inline element by default?

7 months ago | [YT] | 73