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Software design documents...

Software design documents...

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JavaScript Scope

In this blog post we will dig deeper into various aspects of JavaScript scope.  This is a pretty interesting topic  and also a topic which confuses many beginning JavaScript programmers.

Understanding JavaScript scope helps you write bug free programs (hmm.. atleast helps your troubleshoot things easily)

Scope control the visibility and lifetimes of variables and parameters.  This is important from the perspective of avoiding naming collisions and provides memory management service.

Unlike other languages, JavaScript does not have block level scope.  For e.g. take for instance the following piece of c# code.
public void Main () {
int a = 5;
if (true) {
int b = 10;
// This will throw compile time error as b is not defined
// and not within the scope of function Main();
If you write the same code in JavaScript, then the value of 'b' will be available outside the 'if' block. The reason for this is JavaScript does not have block…

Personal Development : Time, Planning , Repairs & Maintenance

These are just my thoughts, but some you may find something interesting in it. Please think over it. We may know many things, but still we always keeps procrastinating it. I have written this as I have heard many people coming back and saying they don’t have time to do things they like. These are my thoughts buy may be useful to someone else too.

Certain things in life needs periodic repairs and maintenance. To cite some examples , your CAR, your HOUSE, your personal laptop/desktop, your health etc.

Likewise there are certain other things in professional life that requires repair/ maintenance /or some kind of polishing, so that you always stay on top of it. But they are not always obvious. Some of them are

- Improving your communication skills
- Increasing your vocabulary
- Upgrading your technical skills
- Pursuing your hobby
- Increasing your knowledge/awareness etc… etc…

And then there are certain things that we are always short of…. on…