Subj : JavaScript - Strict Mode?
To   : netscape.public.mozilla.jseng
From : =?UTF-8?B?TGrDs3PDoWxmcg==?= <fjolsvit@netscape.net>
Date : Wed Apr 02 2003 05:54 am

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

.