Create a Year Day prototype for Date in JavaScript

Learn how to create a JavaScript Date prototype that gets the day of the year for the constructed date. To the written tutorial: https://yagisanatode.com/get-the-day-of-the-year-in-javascript/ ** My Site ** https://yagisanatode.com/ ** More on JavaScript ** https://yagisanatode.com/category/code/javascript/ ** Products ** Create and Publish Google Workspace Add-ons with Google Apps Script: Master Class https://yagisanatode.com/products/create-and-publish-google-workspace-add-ons-with-google-apps-script-master-class/ * Courses * https://yagisanatode.com/products-category/courses/ * Google Workspace Tools * https://yagisanatode.com/products-category/google-workspace-tool/ * Google Workspace Add-ons * https://yagisanatode.com/products-category/gwao/ #javascript #vanillajavascript #javascripttutorials #googleappsscript