if statement


if =


A basic form of decision making. If a condition is TRUE, then do something.
If not, then don't do it!


if, if else, else

let age = 18

if(age >= 18){ // from 18 to "infinite" is true

console.log("You are an adult!")
}

result: You are an adult!

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let age = 17

if(age >= 18){

console.log("You are an adult!")
}
else{
console.log("You ere a child!")
}

result: You ere a child!

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let age = -5


if(age >= 18){

console.log("You are an adult!")
}
else if(age < 0){

console.log("You don't live")
}
else{
console.log("You ere a child!")
}

result: You don't live

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let age = 65


if(age >= 65){

console.log("You are a senior citizen!")
}
if(age >= 18){

console.log("You are an adult!")
}
else if(age < 0){

console.log("You don't live")
}
else{
console.log("You ere a child!")
}

result: You are a senior citizen!


let online = true

if(online){
console.log("You are online!")
} else{
console.log("You are offline")
}

result: You are online!