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29 sie 2012 · When designing a loop, think about when the leave-checking should be done; if you want to read from a possibly empty file, it makes sense to check early: Do Until tsIn.AtEndOfStream sLine = tsIn.ReadLine() ...
26 wrz 2024 · You will use Do-While, Do-Until and While-Wend loops when you do not know in advance how many times the block is to be executed. You will use For-Next, For-Next-Step and For-Each-Next loops if you already know the number of times you need to execute the block of code.
4 sty 2013 · The only difference between do while and do until is that the first one loops as long as the condition is true, while the second one loops as long as the condition is false. In Javascript you use do {} while() or while() {}. Example: var cnt = 0; do { cnt++; } while (cnt < 10); and: var cnt = 0; while (cnt < 10) { cnt++; }
The keyword Until will continue the loop as long as condition is False. If no condition is specified, the loop will repeat indefinitely or until an Exit Do is encountered. Examples
You can use the Until keyword in two ways to check a condition in a Do...Loop statement. You can check the condition before you enter the loop (as shown in the following ChkFirstUntil example), or you can check it after the loop has run at least once (as shown in the ChkLastUntil example).
9 mar 2024 · This tutorial gives you a complete overview VBScript For Loop, Do Loop, and While Loop. Loops in the VBScript means those statements in the code which can be repeated several times until any particular condition reaches to an end.
29 wrz 2022 · Use a Do...Loop structure when you want to repeat a set of statements an indefinite number of times, until a condition is satisfied. If you want to repeat the statements a set number of times, the For...Next Statement is usually a better choice.
