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Code Blocks (JavaScript and Delphi Prism Cross Reference Guide)

By Mike Prestwood

JavaScript versus Delphi Prism: A side by side comparison between JavaScript and Delphi Prism.

 
Language Basics
 

Language basics is kind of a catch all for absolute beginner stuff. The items (common names) I chose for language basics is a bit random and include items like case sensitivity, commenting, declaring variables, etc.

Code Blocks

[Other Languages] 

Languages Focus

The rules for code blocks within a language dictate where you can declare variables, how you "bracket" code, etc.

JavaScript:   { }

In html pages, you embed JavaScript code between <script> and </script> (see example). Also it's tradtional to put an HTML comment around your code too so that really old browsers don't crash (probably not all that important these days).

For JavaScript, Java, PHP, and C++, I prefer to put the first { at the end of the first line of the code block as in the example above because I see moreJavaScript codeformatted that way.

Syntax Example:
<script language="JavaScript" type="text/javascript">
<!--
function DisplayDialogLg(StrURL) {
}
if (x == -1) {
}
-->
</script>
Delphi Prism:   begin..end

Same as in Delphi for Win32 but Prism also supports inline variable declaration.

Syntax Example:
function DoSomething : integer;
var
 a, b : integer;
begin
 a := 1;
 b := 2;
 var c : integer; //Prism allows inline (local) variables.
 c := a + b;
  
 result := c;
end;












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