JavaScript

 

• Java Script is considered a scripting language.
  
   
• Scripting Languages differ from programming languages in that they do not require a compiler.
  
   
• Java script is executed in the browser!
   
• Java Script is detected by the browser when placed between the <SCRIPT></SCRIPT> Tags.

Java Script is made out of invisible entities called OBJECTS that contain well  various capabilities

Java scripts OBJECTS call upon services of specialized functions called METHODS.

Methods are often followed by a Parameter List.  This provides the method with the information it needs to perform its function correctly!

 

First method:

  document.write(''"); inserts a stream of characters into an HTML text Stream.
  HTML tags inserted into this steam will work!

  alert(""); puts in an alert box

  <:--      -->   Hide
 

  Braces - {} Located next to the p on your keyboard. Mark the beginning and end of a statement block.

  Syntax - Rules of grammar in Java Script!
 
  Semi Colons - placed in many Java Scripts, at the end of a statement, although not necessary.
                          done to make JavaScript mimic other codes where they are required.

  Conditional Statement: part of programming that allows the program to make a decision