phpjs/functions/math/rad2deg.js

php.js offers community built php functions in javascript

function rad2deg(angle) {
  // From: http://phpjs.org/functions
  // +   original by: Enrique Gonzalez
  // +      improved by: Brett Zamir (http://brett-zamir.me)
  // *     example 1: rad2deg(3.141592653589793);
  // *     returns 1: 180
  return angle * 57.29577951308232; // angle / Math.PI * 180
}