Ernesto Rodriguez ernes-to

ernes-to / const-2.js

Created August 20, 2017 02:53

ernes-to / let-1.js

Created August 20, 2017 02:37

	const quantity = 3;

	if (quantity > 2) {
	let anotherQuantity = 10;
	}

	console.log(anotherQuantity) // Error: anotherQuantity is not defined

ernes-to / const-1.js

Created August 20, 2017 02:27

	const quantity1 = 1;
	const quantity1 = 2; // Error: Duplicate declaration "quantity"

	const quantity2 = 5;
	quantity2 = 6; // Error: "quantity2" is read-only

	const quantity3; // Error: unexpected token ;

ernes-to / var-2.js

Last active August 20, 2017 01:48

	var counter = 2;

	function fn() {
	console.log('Inside fn before loop:', counter); // 2

	for (counter = 0; counter < 5; counter++) {
	console.log(counter); // 0, 1, 2, 3, 4
	}

	counter += 1;

ernes-to / var-1.js

Last active August 20, 2017 02:11

	var quantity = 1;
	var quantity = 2;
	quantity = 3;

	if (quantity > 2) {
	var anotherQuantity = 10;
	}

	console.log(anotherQuantity) // 10 <- leaked outside the if block
	console.log(quantity); // 3