js if

If - Else Statements
if (condition) {
// what to do if condition is met
} else {
// what to do if condition is not met
}
if(a == 'value'){
    doSomething();
    if(b == 'another value'){
        doAnotherThing();
    }
}var age=20;
if (age < 18) {
	console.log("underage");
} else {
	console.log("let em in!");
}const number = (Math.random() - 2.5) * 5;
if (number < 0) {
	console.log('Number is negative');
}
if (number = 0) {
	console.log('Number is zero');
}
if (number > 0) {
	console.log('Number is positive');
}if (5 < 10) {
	console.log("5 is less than 10");
} else {
	console.log("5 is now bigger than 10")
}/* Shorten if-else by ternary operator*/
const go = "yes"
let race = null

race = go === "yes" ? 'Green Light' : 'Red Light';