JavaScript/ControlStatement_and_loop.js at main · NK-infinite/JavaScript · GitHub

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// if else

var citizenship = true;
var citizenAge = 19;
var citizenvoterid = false;

if (citizenship && citizenAge >= 18 && citizenvoterid) {
    console.log("You Have Eligibility For vote");
}
else if (!citizenship) {
    console.log("You Have Not Citizen \nYou Can't Eligibility for Vote");

}
else if (!citizenvoterid) {
    console.log("You Have Not VoterId \nYou Can't Eligibility for Vote");

}
else if (citizenAge <= 18) {
    console.log("Your Age Is under 18 You Not Eligibility for Vote");
}

else {
    console.log("Some Reson  YOu Can't Vote ");

}

if (citizenship) {
    if (citizenAge >= 18) {
        if (citizenvoterid) {
            console.log("You Have Eligibility For vote");

        }
        else {
            console.log("You Have Not VoterId \nYou Can't Eligibility for Vote");
        }

    }
    else {
        console.log("Your Age Is under 18 You Not Eligibility for Vote");
    }

} else {
    console.log("Some Reson  YOu Can't Vote");

}
console.log("\n");

//Odd Even
var number = 6;

if (number % 2 == 0) {
    console.log("The Number IS even");
} else {
    console.log("The Number Is Odd");

}

//Switch case

var Day = "Monday"

switch (Day) {

    case "Monday":
        console.log("Today is MonDay");
        break;//conditions is true stop the cases

    default:
        console.log("Today is Not MonDay");
        break;
}


//eareaOfShapes

var eareaOfShapes = "circle";
var a = 5;
var b = 10;
var c = 2;
var Area;
switch (eareaOfShapes) {
    case "rectangle":
        Area = a * b;
        console.log("Rectangle Area is", Area);
        break;

    case "square":
        Area = a * a;
        console.log("Square Area is ", Area);
        break;

    case "circle":
        Area = 3.14159 * c*c;
        console.log("circle Area is ", Area);
        break;

    default:
        console.log("eareaOfShapes Is Not found");
        break;
}


//Loop

var i = 1;

//while loop

// while (i<= 10) {
//     console.log(i);
//     i++;
// }


//do while

// do {
//     console.log(i);
//     i++;

// } while (i<=10);


//forloop

// for (let i = 0; i <= 10; i++) {
//     console.log(i);
// }


// for (let i = 1; i <= 10; i++) {
//     var a = 9;
//     console.log(a, "X" , i ,"=" , a*i);
// }


let UserInput;
let PositiveNumber;

// do {
//     UserInput = prompt("Enter A PositiveNumber")
//     PositiveNumber =parseFloat(UserInput)
// } while (isNaN(PositiveNumber) || PositiveNumber <= 0);
// console.log("You Have Velid Positive Number:" , PositiveNumber);

// var sum = 0;
// for (let i = 0; i <= 10; i++) {
//    debugger
//     var sum = sum + i;
// console.log(sum);

// }
// console.log(sum);

//isPrime Number

// var num = 12;
// var isPrime = true;

// for (let i = 2; i <= num; i++) {
//   if (num / i == 0) {
//     isPrime = false;
//     break;
// }
// }

// if (isPrime) {
//     console.log("Number Is Prime");

// } else {
//     console.log("Number Is Not Prime");

// }


// let year = 2040;

// if ((year % 400 == 0 ) || (year % 4 === 0 && year % 100 !== 0)) {
//     console.log( "Year is Leep year");

// } else {
//     console.log( "Year is Not Leep year");

// }


//Star Patten


for (let i = 0; i <= 5; i++) {
    var Patten = "";
    for (let j = 0; j <= i; j++) {
            Patten = Patten + "*";
        }
        console.log(Patten);
}