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Posted By

1man on 03/20/07


Tagged

object method prototype property extend


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Extending Objects and Custom Objects using .prototype

Published in: JavaScript 

Extend a custom object, and a pre-defined object(e.g. string) using .prototype available in JS.

Plain TextExpand 
  1. //Extending an existing object
  2. function yourMethod(){
  3. 	//statements
  4. }
  5. //Attach it to the String Object
  6. String.prototype.methodName=yourMethod;
  7. //Usage
  8. var myVariable = "My String Here!"
  9. myVariable.methodName();
  10.  
  11.  
  12. //Extending a custom object
  13. //Create custom object
  14. function myObject() {
  15. 	//statements
  16. }
  17. //Create custom method
  18. function customMethod(){
  19. 	//statements
  20. }
  21. //Create custom property
  22. function customProperty() {
  23. 	//statements	
  24. }
  25.  
  26. //Attach the property and method
  27. myObject.prototype.methodName=customMethod;
  28. myObject.prototype.prpertyName=customProperty;

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