I couldn’t find any description or any mention about how >, <, <= and >= operators behave while comparing two arrays in javascript. The only trivial thing I could think of is that the two arrays are compared by both elements for each relative indexes, but after testing it – I didn̵…
Tag: comparison
How to compare two Moment.js Objects
I have an Array with Moment.js objects in a variable: And a function to determinate if a value is in this array: But even if i pass a moment object, as checkFeriado(moment(“2016-01-01”)); i’m getting false. Whats wrong with my code? Is there a best way to do this? Entire project have jQuery …
Javascript – deepEqual Comparison
Question (From Eloquent Javascript 2nd Edition, Chapter 4, Exercise 4): Write a function, deepEqual, that takes two values and returns true only if they are the same value or are objects with the same properties whose values are also equal when compared with a recursive call to deepEqual. Test Cases: My code:…
Sorting in JavaScript: Shouldn’t returning a boolean be enough for a comparison function?
I have always successfully sorted my arrays like this (when I did not want the standard lexicographic ordering): Now, someone told me this was wrong, and that I would need to return a-b instead. Is that true, and if yes why? I have tested my comparison function, and it works! Also, why would my solution be so…
Comparing negative numbers in javascript
I’m sure this is a simple problem, but I’m comparing negative numbers in javascript i.e.: This script will always take action 2, even though num1 is less than num2. Whats going on here? Answer How does if (parseFloat(num1) < parseFloat(num2)) work? Maybe your numbers are turning into strings so…