<ul><li>JavaScript is a widely used web programming language.</li><li>Automatic Semicolon Injection (ASI) in JavaScript: JavaScript uses semicolons to indicate the end of a line, but they are optional due to Automatic Semicolon Injection.</li><li>Non-sequential Array keys and indexes: JavaScript allows setting elements by array index even if the array is not up to that index yet.</li><li>Finding the OS type using JavaScript: The window.navigator object can provide information about the visitor's browser OS details.</li><li>How to detect whether a mobile browser is being used for browsing: JavaScript can be used to detect mobile browsers by checking the userAgent property.</li></ul>

Useful JavaScript tips and tricks that you may not be aware of 💻👨‍💻

Discover more