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Instead of adding several almost equal lines in a script we can use loops to perform a task like this. In JavaScript there are two different kind of loops: for - loops through a block of code a specified number of times. while - loops through a block of code while a specified condition is true.
A Do..While loop continues as long as the condition is TRUE. A Do..Until loop continues as long as the condition is FALSE. Until is an antonym of While. As long as the condition is met, PowerShell will continue to rerun the {command_block} section unless interrupted by a break or continue statement. Examples.