A JavaScript expression can be a variable, function, an object, or any code that… The comment ends with a "//-->". NOTE − Care should be taken while writing variable and function names in JavaScript. I believe it's a great choice for your first programming language ever. Type − This attribute is what is now recommended to indicate the scripting language in use and its value should be set to "text/javascript". Functions are the fundamental building block of any application in JavaScript.They’re how you build up layers of abstraction, mimicking classes, information hiding, and modules.In TypeScript, while there are classes, namespaces, and modules, functions still play the key role in describing how to do things.TypeScript also adds some new capabilities to the standard JavaScript functions to make them easier to work with. Try the following example. You can place the