Step-in:Line by line execution

Step-over:which is used to speed up debugging..we can go 
with step-over if we know perticular funtion is bug free
ex:
if script contains a loop means when we use step-over 
option the loop wont be executed only the result of the 
loop ill be displayed...

step-out:which is similar to step-in
ex:
if script contains a loop means when we use step-out option 
the loop will be executed....

DEBUGGING MODES

step in : 
it can be used to execute the current line of the script. if
the current line is function or method than it call the
function or method but it vl not run.

step out: 
it can be used to execute the function or method which is
called step into mode 

step over:
it can be used to execute the current line of the script. if
the current line is function or method than it call the
function or method and execute that function

note: initially in design time step in only enable,
remaining 2 modes r disable. when ever vl select step in
mode than automatically remaining modes r enabled.

i think u cleared 

AJreddy

DEBUGGING MODES

step in : 
it can be used to execute the current line of the script. if
the current line is function or method than it call the
function or method but it vl not run the function.If we 
want to run the function line by line we can use "step in" 
(step out*) else if U want to run the complete function 
once can use the "step over".

step out: 
it can be used to execute the function or method which is
called step into mode.
note:If the control is at function or method  call "step 
out" complete function will rune at one .
If the the control is  already in function or method "step 
out" acts like "step in",that is execution will happen step 
by step

step over:
it can be used to execute the current line of the script. if
the current line is function or method than it call the
function or method and execute that function

note: initially in design time step in only enable,
remaining 2 modes r disable. when ever vl select step in
mode than automatically remaining modes r enabled.