JSFiddle - React, Tailwind, and code Playground

by honnza

JavaScript

$i = 0;

while ($i < 10) {
    console.log($i);//the last time here should be $i=9, not $i=10
    ++$i;
}

// in console log i have(0...10)
$i = 0;

while ($i < 10) {
    console.log($i);
    $i++;
}
// in console.log i have doubled 9(0...9,9) Why 9 doubled???