js & while & do while

js & while & do while

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/while

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/do...while

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https://www.kirupa.com/html5/loops_in_javascript.htm

https://stackoverflow.com/questions/44481131/why-the-huge-time-difference-between-while-and-do-while-in-javascript

https://stackoverflow.com/questions/39969145/while-loops-vs-for-loops-in-javascript

https://stackoverflow.com/questions/5599027/the-do-while-statement

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