Introductiondo while statement in javascript (do while loop)
In do while, the statements are executed first and then the condition is checked.
Syntax
Flowchart
Execution flow of above example
Step 1 - image explanation- Variable a is created and value 1 is assigned to it (var a=1).
- Alert statement in do..while loop executes (alert(1)).
- 1 is incremented in variable a (a=a+1)
- A condition (a<3) is checked, and it is true (2<3).
- Control moves to the first statement of the do..while block.
- Alert statement in do..while loop executes (alert(2)).
- 1 is incremented in variable a (a=a+1)
- A condition (a<3) is checked, and it is false (3<3).
- Control moves to the next statement (alert("Finished")).