e.g. alert(), Object(), String(), etc.  How would I see the code behind these functions? Would I need to understand the language that an engine such as V8 is written in and read through that, or is there a simpler solution....
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 javascript engine is executing a function which in turn calls another function (sequentially) and this goes on for say 5s. Meanwhile, several events were triggered either by the user or programmatically.  Can we take for granted that no event wil...
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...
Take the following code example:  var myObject = {}; var i = 100;  while (i--) {     myObject["foo"+i] = new Foo(i); }  console.log(myObject["foo42"].bar());   I have a few questions.  What kind of data structure do the major engines...
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...

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