JavaScript

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Javascript language

   JavaScript is made of comments and instructions associated together. An instruction can include standard or user-defined functions, variables, datas (strings, numbers, ...) , and expressions.

Comments

   It's ALWAYS necessary to comment your code, at least to could read it again after 6 months...
    Comments begins by /* and ends by */, like this:

/* After the tenth rewriting, a well-commented code is always better! */

Instructions

   Instructions include one or several elements and symbols on a line ended by ';', used as ending charachter.

aText = "Hello!";
var myVar = 2 + 2;

Blocks

   An instructions group inside {} is called a block. Blocks are used in functions definition and in conditionnal expressions.

function SayHelloTo(MrSmith)
   {
   Alert("Hello, " + MrSmith);
   }