reading-notes

201 Entrance Exam Review

Functions

Function Declaration

• Functions are declared with function

function myFunction(parameters) {
  // code to run when function is called
}

Function Expression

• A function can be expressed as part of a variable

let myFunction = function () {
  // code to run when function is called
}

Function Invoke

• Functions are invoked or called with ()

myFunction() // calls myFunction

Loops

For Loops

• Structure

for (initial value; condition to evaluate; increment) {
  //code to be executed
}

While Loop

• Structure

while (condition that MUST evaluate to true) {
  // code to be executed
}

Terminal Commands

Command	Meaning	Action
pwd	Print Working Directory	Tells you current PATH
cd	Change Directory	Moves to specified directory
mkdir	Make Directory	Makes new directory in specified location
touch	Create File	Makes a new file in specified location
ls	List Contents	List visible contents in a directory
ls -a	List All Contents	List all contents in a directory
ls -l	List Contents, Long List	Lists contents in a directory as a list, top to bottom

Clarifications

• Difference between a directory and a folder?
  • No difference