While ... WEnd

Repeat a block of statements.

Syntax 
      While condition 
         [Statements]
      WEnd

Key
   condition   An expression that evaluates to True or False

   Statements  Program code to be executed if condition is True

Examples

endLoop = DateAdd("s",10,Time())
While Time() < endLoop
   WScript.Echo "This line will repeat for 10 seconds"
Wend

“Don’t ask what the world needs. Ask what makes you come alive, and go do it. Because what the world needs is people who have come alive” ~ Howard Thurman

Related VBScript commands

If..Then - Conditionally execute a block of statements.
Select...Case - Conditional execution of a block of code.
Do..Loop - Repeat a block of statements.
Equivalent PowerShell cmdlet: While