what is option explicit? what is the use of it?
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Answer Posted / kaps
In VB script it’s not necessary to declare a variable explicitly and we can assign a variable at any step we want. This can cause a problem if the project code is huge (while debugging for any bug in script), as the result may be different than expected.
E.g. we declare a string variable as 'strLogin' to save the login detail but later while assigning by mistake we write 'strLogi' then that Login detail will be saved to 'strLogi' instead of 'strLogin'. This will be a bug in script if we use 'strLogin' afterwards for some other inputs. To prevent such scenario VB script provides 'Option Explicit', which forces user to explicitly declare the variable before using it, otherwise script will throw an error at run time.
Option Explicit
Dim strLogin
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