Ad:

HTML and CSS Discussion Thread
Unsolved
Views: 2536

Mar 26th, 2007

restore default (built-in) function after overriding

Expand Post »

Hi all.
I need to know how to restore or roll back to built-in function after overriding like following example.
String.prototype.substr= function()
{ return "";}
Now I want to use the one already built-in.
I shall be very thankful if some one could help me.
Sultan Wadood

Similar Threads

I've been Hijacked! Please help! in Viruses, Spyware and other Nasties
Computer Freezing/Pausing, distorted sound in Windows NT / 2000 / XP
default save/bmp vs jpeg in Web Browsers
Computer doesn't boot XP on start but on restart it does in Windows NT / 2000 / XP

sultanwadood

Reputation Points: 10

Solved Threads: 0

Newbie Poster

Offline

5 posts
since Mar 2007

Permalink

Mar 26th, 2007

call built-in from overridden function of Object in javascript

Hi All.
Do any body know how to call built in function of object like substr from overridden version. I am trying following example but the function called itself recursively not the function being overridden.
String.prototype.substr= function(str)
{

return str.substr(0,5);
}

I shall be very thankful if some one could give me some hints.
Sultan Wadood.

sultanwadood

Reputation Points: 10

Solved Threads: 0

Newbie Poster

Offline

5 posts
since Mar 2007

Permalink

Mar 27th, 2007

Re: restore default (built-in) function after overriding

I don't think its possible to revert to the old function unless you save it somewhere.

eg:

HTML and CSS Syntax (Toggle Plain Text)

String.prototype._substr = String.prototype.substr;
 
String.prototype.substr= function()
{
 
return this._substr(0,5);
}

digital-ether

Moderator

Reputation Points: 457

Solved Threads: 101

Nearly a Posting Virtuoso

Offline

1,250 posts
since Sep 2005

Permalink

Mar 28th, 2007

Re: restore default (built-in) function after overriding

my all poste problems have been solved.
thanks for helping and your valuable time.
Sultan Wadood.

Last edited by sultanwadood; Mar 28th, 2007 at 3:57 am.

sultanwadood

Reputation Points: 10

Solved Threads: 0

Newbie Poster

Offline

5 posts
since Mar 2007

This thread is more than three months old

No one has posted to this discussion for at least three months. Please let old threads die and do not reply to them unless you feel you have something new and valuable to contribute that absolutely must be added to make the discussion complete. Otherwise, please start a new thread in this forum instead.

Previous Thread in HTML and CSS Forum Timeline: Browser Compatibility Problems

Next Thread in HTML and CSS Forum Timeline: opacity

DaniWeb Message

Cancel Changes

User Name
Password