Edited sec in your first test

[Msuf123]

I was struggling to understand spy function so i edited and made it a little more detailed so that beginner like me can understand.

[Msuf123]

Let me know if there is any mistake in content that i wrote.

[Msuf123]

Hey can someone view my pr and merge if they find useful

[sgravrock]

I'm sorry for not responding to this much sooner. I try to respond to PRs promptly but I lost track of this one.

The biggest problem I see is that the new summary information in this PR isn't correct. It says "Spies function are never executed", but that depends on how both the individual spy and the default strategy are configured. It's common to do things like spyOn(someObj, 'methodName').and.callThrough() which does lead to the spied-on function being executed.

Some other issues I see:

• The first three lines of added content in this PR are a duplicate of what's immediately above.
• The new content refers to a setBar function and a bar variable that aren't defined anywhere.
• There are a number of spelling, grammar, and spacing issues.

I don't mind cleaning up spelling, grammar, and spacing. But I think the content would have to be more or less completely rewritten to be accurate and to not depend on information (like what setBar and bar are) that the reader hasn't been shown yet. Providing just the right level of detail at the beginning of a tutorial like this is tricky, especially when describing something as flexible as spies.