examples/intro/if_else_statement.js
"use strict";

var x = 23;
var y = 42;

if (x < y) {
    console.log(x + ' is smaller than ' + y);
} else {
    console.log(x + ' is NOT smaller than ' + y);
}

// 23 is smaller than 42
if () {
    ...
} else {
    if () {
        ...
    } else {
        if () {
            ...
        }
    }
}