A function for detecting a clients browser.

browser.coffee

# Credit: https://stackoverflow.com/a/40246491/1544937

getBrowser = ->

    try

        error.throw

    catch error

        error = error.toString().toLowerCase()

        if error.includes "cannot read"

            return "chrome"

        if error.includes "not an object"

            return "safari"

        if error.includes "error is undefined"

            return "firefox"

        return "unknown"

browser.js

// Generated by CoffeeScript 2.7.0
// Credit: https://stackoverflow.com/a/40246491/1544937

var getBrowser;

getBrowser = function() {
  var error;
  try {
    return error.throw;
  } catch (error1) {
    error = error1;
    error = error.toString().toLowerCase();
    if (error.includes("cannot read")) {
      return "chrome";
    }
    if (error.includes("not an object")) {
      return "safari";
    }
    if (error.includes("error is undefined")) {
      return "firefox";
    }
    return "unknown";
  }
};