double-vs-triple-equal.js

/* 👎 double equal == */
const first = 1;
const second = "1";
if (first == second) {
	console.log(true, `${first} == ${second}`);
} else {
	console.log(false, `${first} != ${second}`);
}
// Output : true 1 == 1

/* 👍triple equal === */
const first = 1;
const second = "1";
if (first === second) {
	console.log(true, `${first} == ${second}`);
} else {
	console.log(false, `${first} != ${second}`);
}
// Output : false 1 != 1

/* 🤔 implicit type conversion, double equal ==  */
const first = 1;
const second = true;
if (first == second) {
	console.log(true, `${first} == ${second}`);
} else {
	console.log(false, `${first} != ${second}`);
}
// Output : true 1 == true 😮