JavaScript % (modulo) gives a negative result for negative numbers

by 
Number.prototype.mod = function (n) {
  return ((this % n) + n) % n;
};

Taken from this article: The JavaScript Modulo Bug

More Related Contents:

  1. How to perform an integer division, and separately get the remainder, in JavaScript?
  2. Why does Math.round(1.53*20)/20 = 1.55? How does this actually work?
  3. Modulo operator
  4. What exactly does Math.floor do?
  5. how to use if(math.random == 50)? [closed]
  6. What is the quickest way to subtract a variable from a number and set the variable?
  7. How to force JS to do math instead of putting two strings together [duplicate]
  8. Evaluating a string as a mathematical expression in JavaScript
  9. How to find prime numbers between 0 – 100?
  10. How to transform black into any given color using only CSS filters
  11. Calculate date from week number in JavaScript
  12. Remove insignificant trailing zeros from a number?
  13. JavaScript exponents
  14. Is there a way to calculate 3D rotation on X and Y axis from a 4×4 matrix
  15. Mixing two colors “naturally” in javascript
  16. In JavaScript, why does zero divided by zero return NaN, but any other divided by zero return Infinity?
  17. How can I convert numbers into scientific notation?
  18. How can I get sin, cos, and tan to use degrees instead of radians?
  19. How can I round down a number in Javascript?
  20. How to round up to the nearest 100 in JavaScript
  21. Write a truly inclusive random method for javascript
  22. Representing Points on a Circular Radar Math approach
  23. Why is math.max() returning NaN on an array of integers?
  24. Javascript: Round up to the next multiple of 5
  25. Rounding numbers to 2 digits after comma
  26. Make a number a percentage
  27. JavaScript: Round to a number of decimal places, but strip extra zeros
  28. Display Good-looking Math Formula in Android
  29. How to calculate rotation angle from rectangle points?
  30. Javascript: PI (π) Calculator

Leave a Comment