Constant – the name of the location in the program’s memory where a piece of data is stored. Unlike variables, a constant’s value cannot be changed. Example: const name = Gloria People don’t normally change their names, thus names are “constant” values.
Variable – the name of the location in the program’s memory where a piece of data is stored. Variables are used as a placeholder and called when needed to execute a piece of code. Variables can change or “vary.” Example: var age = 17 The word “age” is used to hold the number “17” which […]
Keyword – A reserved term or word that is used by a programming language. Keywords may not be used to create variables or functions because they are reserved for the language. Each programming language has a list of keywords that are already defined.
Comments – A way for programmers to make notes in their code such as documentation, etc. Comments can also be used to ignore code. There are two types of comments: // This is a comment that occurs on a single line /* This A Block comment that may take up several lines I can format […]
Immutable means that an object cannot be changed after it is created. If you need to modify an immutable object, you must create a new one instead of altering the existing one.