Subj : Re: JavaScript - Strict Mode?
To   : netscape.public.mozilla.jseng
From : Phil Schwartau <pschwartau@netscape.com>
Date : Wed Apr 02 2003 11:47 am

A strict mode already exists. In the Mozilla browser, do this:

  Edit > Preferences > Debug > check "Show strict JavaScript warnings"

Then adjust 

  Tools > Web Development > JavaScript Console 

to make sure you see warnings as well as errors. (In the menubar under the File menubar, select "All").

Phil


Ljósálfr wrote:

> Has anybody proposed a strict mode for JavaScript (and survived to tell 
> about it)?
> 
> I find JavaScript to be a mixed bag. in some ways it's very easy to work 
> with and allows for some very elegant solutions. Sometimes, however, it 
> can be very frustrating.  An example is
> 
> str="";
> str+="Here's some text, ";
> str+="and some more, ";
> srt+="but why doesn't this show?";
> str+=" This isn't fun anymore!";
> 
> I started to think about the possiblility of a strict mode wherein the 
> programmer would be required to declare variables, etc.  I'm not sure of 
> all the features such a mode should have.  I'm also not sure of the 
> mechanism for activating such a mode.  Should it be a switch in the 
> code, or a browser/environment setting?  Strict mode code would be 
> completely valid JavaScript, and would run anywhere standard JavaScript 
> would run.  The reverse, of course, would not apply.  Standard 
> JavaScript would allow for undeclared variables, etc.
> 
> Opinions?
> 
> STH
>

.