The average age of a developer is ~30 (https://insights.stackoverflow.com/survey/2016#developer-profile-age https://insights.stackoverflow.com/survey/2016#devel

The average age of a developer is ~30 (https://insights.stackoverflow.com/survey/2016#developer-profile-age https://insights.stackoverflow.com/survey/2016#developer-pro...) and JavaScript is very popular (https://insights.stackoverflow.com/survey/2016#technology https://insights.stackoverflow.com/survey/2016#technology). Couldn't actually find any solid figures on the average age of a JavaScript developers. So it's probably likely that it's younger developers (such as myself) that are used to using emoji and like to use a bit of emoji to add colour and personality to the page. I'm rather stereotyping here though, it could be some older person who just loves emoji too