
Infinity - Where Does JavaScript End?
1/0 doesn’t crash your program? Why is Number.MAX_VALUE 10^308? Let’s peek under the hood of IEEE 754 and discover …

Why {} !== {}
Learn why an object is not equal to another object!

Why NaN !== NaN in JavaScript (and the IEEE 754 story behind it)
Learn where NaN came from in JavaScript and why it cannot be compared

Why typeof null === object
Learn why typeof null returns ‘object’ instead of ’null’ in JavaScript