Conditional Expressions in JavaScript
console.log("Conditional Expressions in JS");
//"prompt" will always ask and "alert" will tell
const prompt = require("prompt-sync")();
let a = prompt("Hey what's your age ?"); //"prompt" will convert to a string
a = Number.parseInt(a); //Converting the string to a number
console.log(typeof a);
if (a < 0) {
alert("This is an invalid age");
}
else if (a < 9) {
alert("You are a kid and you cannot even think of driving");
}
else if (a < 18 && a >= 9) {
alert("You are a kid and you can think of driving after 18");
}
else {
alert("You can now drive as you are above 18");
}
console.log("Done");
OUTPUT :
We have to run above code in Google Chrome's Console by inspect
(Don't run above code in Visual Studio Code)








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