JS Interview #21: ISO Date
How does the ISO date look in JavaScript? What will be logged to the console? . . . . . . . . . . . . . . ....
JS Interview #20: Can you sum arrays with objects in JavaScript?
What’s the sum of an empty object and an empty array in JS? Is there any length to be found? . . . . . . . . . ....
JS Interview #19: Catching the rejected Promise
Can you catch the Promise rejection in JS? Another unhandled rejection? . . . . . . . . . . . . . . . . In JS, it’s impossible to catch the unhandled promise rejection using the regular try/catch blocks....
JS Interview #18: What's the sum of two booleans in JavaScript?
Can you add booleans in JS? Is something false here? What will be logged to the screen? . . . . . . . . . . . . ....
JS Interview #17: Sum of two empty arrays in JavaScript
Is the sum of two arrays equal to false? . . . . . . . . . . . . . . . . To analyze this code snippet we need to understand how type conversion works in JS....
JS Interview #16: typeof NaN
What’s the type of Not a Number? . . . . . . . . . . . . . . . . In JavaScript, NaN means Not a Number. This is a special value that appears whenever JS can’t make sense of the numerical expression....
JS Interview #15: Getter function
Can we use an arrow function as a getter in JavaScript? What’s going on and what will be logged to the console? . . . . . . . ....
JS Interview #14: 0.1 + 0.2 = ?
JavaScript math is weird. What’s the output? True or false? . . . . . . . . . . . . . . . . . . Inside the computer, all numbers are stored in the Binary Number System....
JS Interview #13: Big number
We’re just logging a number, what can go wrong here? . . . . . . . . . . . . . . . . . . Under the hood, there are no integers in JavaScript....
Algorithms, Abstraction and Pseudocode
“There are 10 types of people, those who understand the binary system and everyone else.” — Unknown Author ...