// This example solve the entire post problem using ES6 'let' keyword
for(let i = 0; i < 10; i++) {
	setTimeout(() => {
		console.log(`The number is ${i}`);
	}, 1000);
}

/*
# Output should be show below type:

The number is 0
The number is 1
The number is 2
The number is 3
The number is 4
The number is 5
The number is 6
The number is 7
The number is 8
The number is 9
*/