Why while loop is not working?

Why while loop is not working?

The while loop is not run because the condition is not met. After the running the for loop the value of variable i is 5, which is greater than three. To fix this you should reassign the value before running the while loop (simply add var i=1; between the for loop and the while loop).

What happens when the condition is false in while loop?

If condition is false then, This means that the code must always be executed first and then the expression or test condition is evaluated. If it is true, the code executes the body of the loop again. If the expression is false, the loop terminates and control transfers to the statement following the do-while loop.

What condition does the while loop test for?

The do while loop checks the condition at the end of the loop. This means that the statements inside the loop body will be executed at least once even if the condition is never true. The do while loop is an exit controlled loop, where even if the test condition is false, the loop body will be executed at least once.

What is the best method to stop a While loop on an error condition?

You can wire an error cluster to the conditional terminal of a While Loop or to a For Loop with a conditional terminal to stop the iteration of the loop. If you wire the error cluster to the conditional terminal, only the TRUE or FALSE value of the status parameter of the error cluster passes to the terminal.

Do while loop do not execute the statement while condition is false?

If the condition is true the code within the block is executed again. This repeats until the condition becomes false. Because do while loops check the condition after the block is executed, the control structure is often also known as a post-test loop. If it is true, the code executes the body of the loop again.

How does while loop differ from do while loop?

16 Answers. The do while loop executes the content of the loop once before checking the condition of the while. Whereas a while loop will check the condition first before executing the content.

Which statement is not true about do while loop?

Which statement is NOT true about do-while loops. The number of times a do-while loop is executed is dependent upon the value of the counter variable.

How does while loop work?

How while Loop works? In while loop, condition is evaluated first and if it returns true then the statements inside while loop execute, this happens repeatedly until the condition returns false. When condition returns false, the control comes out of loop and jumps to the next statement in the program after while loop.

Do While loop terminates when conditional expression returns?

do-while loop terminates when conditional expression returns? Explanation: zero indicate False which terminate the loop .

What is a while loop in C?

The While Loop. The while loop is used to repeat a section of code an unknown number of times until a specific condition is met. For example, say we want to know how many times a given number can be divided by 2 before it is less than or equal to 1.

Why is my for loop not working in Python?

Another common error is to use the wrong conditional expression. A for loop continues to run as long as the condition is true. The condition is checked before the loop is run, even the first time. It is possible to create a conditional expression that is false on the first check, and the body of the loop will never run.

How long does a for loop continue if condition is true?

A for loop continues to run as long as the condition is true. The condition is checked before the loop is run, even the first time. It is possible to create a conditional expression that is false on the first check, and the body of the loop will never run. For loop are also used to iterate over arrays.

How do you use a while loop to evaluate an expression?

while expression, statements, end evaluates an expression , and repeats the execution of a group of statements in a loop while the expression is true. An expression is true when its result is nonempty and contains only nonzero elements (logical or real numeric). Otherwise, the expression is false. Use a while loop to calculate factorial (10).