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Execute-the-Operation-First-When-Post-Condition-Is-False,-Continue-the-Loop

Command Description​

First Perform Sentences Block, when using the Until, continue using the value of the Conditional Expression (Expression) when the value is false (not established), when the value of the Conditional Expression (Expression) is really (established) cycle

Command Prototype​

Do 

Loop Until expression

Parameter Description​

ParameterRequiredTypeDefaultDescription
expressionTrueexpression1 > 0The expression used for judgment

Demo​

TracePrint("----------------------------Execute the statement block first and exit the loop when the conditional expression is true------ ----------------------------") 
//------------------------------------------------------------------------------- 
//[Remarks] When using  Until , when the value of  expression  is false, continue to execute the  Block  statement block, and exit the loop when  expression  is true. 
TracePrint("Let a=1, execute a to increment by 1 until a is equal to 10, exit the loop") 
a = 1 
Do  
    a = a + 1 
Loop Until a=10 
TracePrint(a)