JavaScript:

• JavaScript is a programming language that is used to make Websites interactive.
• JavaScript accesses and modifies the content and markup used in a webpage; adding elements and attributes.
• JavaScript follows the traditional programming rules, it allows the control of reactions when specific events, like pressing a button and clicking on a link.

Some Core Concepts and highlights in Programming:

• Script: a series of instructions which the computer follows to achieve a goal
• A browser uses some of the script according to user’s interaction

How to write a Script? A methodology to follow:

• Think of a script as a written guide for a computer to follow; put yourself in the computer’s shoes.
• Start with the big picture and the end goal, then draw the path, break down the tasks and start coding!
• Writing scripts should be approached in a structured systematic manner.
• Sketch out the tasks in a flow chart.
• Remember this: Think like a Computer; like a Robot!

Expressions

• Two types of expressions:
  • Expressions that assign a value to a variable.
  • Expressions that use two or more values to return a single value

Operators * / &:

• Allows you to create a single value from 2 or more values
• Operators types:
  • Arithmatic
  • Comparison “Logical”
  • String