The benefit of a switch statement is that the expression is only evaluated once. as opposed to an if statement.

Memoization is the storing of a function's return value, so if the same parameters are passed again then the function does not need to recompute the result. Although memoization saves time, it uses more memory.

Function expressions do not pollute the global space. Function declarations provide more detail and context for error messages or debugging. Function declarations are used for recursion. Function expressions can be passed as an argument to another function, but function declarations can not.

Javascript + API + Markup

String interpolation is replacing placeholders with values in a string literal, using template literals.

Implicit type conversion is the automatic conversion of value from one data type to another.

OOP is a programming paradigm which provides an easily comprehensible method for modeling complicated systems of real world data into manageable software solutions. paradigm - A pattern or model.

HTMLCollection only contains element nodes. A NodeList can contain any node type. HTML collections must be converted to an array using .from() before iteration.