JavaScript: Test whether a string starts with a specified string - w3resource
GitHub - mathiasbynens/String.prototype.startsWith: A robust & optimized ES3-compatible polyfill for the `String.prototype.startsWith` method in ECMAScript 6.
Checking if a String starts with specific characters in ServiceNow Client Scripts | by Jesús Melendez | Geek Culture | Medium
Basics of Javascript · String · startsWith() (method) | by Jakub Korch | Nerd For Tech | Medium
JavaScript Program: Find If a String Starts and Ends with Another Given String in JavaScript - YouTube