Nowadays JavaScript has three different keywords to declare a variable — var, let and, const. Each has its own properties and particularities. Let’s start by making a simple comparison ...

These forms use HTML markup and optionally JavaScript ... If the address of a page contains URL variables, you can use JavaScript to get the values of these variables. Once you have them within ...

Unlike strongly typed programming languages such as C#, JavaScript is loosely typed and allows you to assign any data type to a variable without giving the variable a specific type. In JavaScript ...