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JavaScriptAlgorithm/Maths/WhileLoopFactorial.js at master · me-hasan/JavaScriptAlgorithm · GitHub
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WhileLoopFactorial.js
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/*
author: Theepag, optimised by merelymyself
*/
export
const
factorialize
=
(
num
)
=>
{
// Step 1. Handles cases where num is 0 or 1, by returning 1.
let
result
=
1
// Step 2. WHILE loop
while
(
num
>
1
)
{
result
*=
num
// or result = result * num;
num
--
// decrement 1 at each iteration
}
// Step 3. Return the factorial
return
result
}
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