Is a boolean stored as a 32-byte integer in memory?  How about a null value?  In the book Speaking Javascript,  it refers to a type tag being used to indicate the type of a value stored in memory. e.g. The type tag for Object type was 000.  What is a...
Is there any way to write and run a JavaScript code without having a need to run a browser and use its JavaScript engine?  Thanks!...
The Object.observe() JavaScript API allows any piece of code to receive change notifications for all property changes of any JavaScript object.  Doesn't this severely affect the code generation and performance optimizations that can be performed...
So, I've read the MDN disclaimers and warnings, I've read a great answer on the subject, but there's still something I want to know. This question actually came from an answer I gave to another question, here.  Let's say I decide to d...
@if (@_jscript_version == 10)     document.write("You are using IE10");   According to Wikipedia IE10 will use JScript 10.  JScript 10 seems to have a whole bunch of new proprietary extensions to EcmaScript 5.  Is the version of the EcmaScrip...
Question not for solution, Question to understand the system better  Experts! I know whenever you feed javascript code into javascript engine, It will execute by javascript engine immediately. Since, I haven't seen Engine's source code, I hav...
I need to get a full call stack when an exception occurs in JavaScript on Internet Explorer 8. Function calls may occur between frames whose number is large.  Call stack necessary to send logs to the developers. I cannot use a debugger, because the e...
Edit  In consideration of the answer response below regarding the reference ECMAScript Language Specification - 11.13.2 Compound Assignment  Considering why these,  javascript:    o="";  o = o + (o+=1)    ; alert(o);    o="";  o =...
I am confused about JavaScript engines right now. I know that V8 was a big deal because it compiled JavaScript to native code.   Then I started reading about Mozilla SpiderMonkey, which from what I understand is written in C and can compile JavaScrip...
node.js is an open source server-side JavaScript platform based on Google's V8 JavaScript engine. It has been rapidly gaining popularity and importance for couple of years now.  Now node.js is just a platform. In essence which JavaScript engine t...

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