Entry
JavaScript: Class: Create: Mile: Kilometer: Convert: How to create class convert mile to kilometer?
Apr 15th, 2006 11:46
Knud van Eeden,
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--- Knud van Eeden --- 16 January 2005 - 03:20 am --------------------
JavaScript: Class: Create: Mile: Kilometer: Convert: How to create
class convert mile to kilometer?
---
Steps: Overview:
1. -Save first listing as 'MathConvertUnitKilometersMilesC.js'
--- cut here: begin --------------------------------------------------
function MathConvertUnitKilometersMilesC() {
//
// --- Method Pointers: public methods --- //
//
// this.<your public function> = <your private nested function>
//
this.FNMathGetConversionUnitMilesToKilometerD =
FN_MathGetConversionUnitMilesToKilometerD;
this.FNMathGetConversionUnitKilometerToMilesD =
FN_MathGetConversionUnitKilometerToMilesD;
//
// --- Methods: Private: do something --- //
//
function FN_MathGetConversionUnitMilesToKilometerD( milesD ) {
return( 1.609 * milesD );
}
//
function FN_MathGetConversionUnitKilometerToMilesD( kilometersD ) {
return( kilometersD / 1.609 );
}
}
--- cut here: end ----------------------------------------------------
2. -Save second listing as 'MathConvertUnitKilometersMilesC.html'
in the same directory
--- cut here: begin --------------------------------------------------
<HTML>
<!--- --->
<HEAD>
<!--- --->
<SCRIPT
LANGUAGE="JavaScript"
SRC="MathConvertUnitKilometersMilesC.js">
</SCRIPT>
<!--- --->
<SCRIPT
LANGUAGE=
"JavaScript"
>
//
// object declaration and instantiation
//
var myobjectnameO = null;
myobjectnameO = new MathConvertUnitKilometersMilesC();
//
// accessing the newly created object methods
//
alert( myobjectnameO.FNMathGetConversionUnitMilesToKilometerD(
1.0 ) ); // displays "1.609"
//
alert( myobjectnameO.FNMathGetConversionUnitKilometerToMilesD(
1.0 ) ); // displays "0.621504039776259"
//
</SCRIPT>
<!--- --->
</HEAD>
<!--- --->
<BODY>
<!-- your body tags here -->
</BODY>
<!--- --->
</HTML>
--- cut here: end ----------------------------------------------------
3. -Open your browser
1. Load the file 'MathConvertUnitKilometersMilesC.html'
1. -Note: you will have to adapt the file path to the
conditions on your computer
4. -Run the program
5. -That will show a screen output similar to the following:
--- cut here: begin --------------------------------------------------
+-------------------------+
| |
| 1.609 |
| |
| |
| [OK] |
+-------------------------+
+-------------------------+
| |
| 0.621504039776259 |
| |
| |
| [OK] |
+-------------------------+
--- cut here: end ----------------------------------------------------
===
Tested successfully on
Microsoft Windows XP Professional (service pack 2),
running
Microsoft Internet Explorer v6.x
===
Internet: see also:
---
JavaScript: Object oriented: Class: Link: Overview: Can you give an
overview of links?
http://www.faqts.com/knowledge_base/view.phtml/aid/33407/fid/307
---
Class: Create: Unit: Mile: Kilometer: Convert: Link: Overview: Can you
give an overview of links?
http://www.faqts.com/knowledge_base/view.phtml/aid/33411/fid/138
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