Check time

js_check_time

<script>
/**
 * Checktime class
 *
 * Faris Rayhan 2014
 *
 * Profitable when dealing with time scope
 *
 * @param {Year} as number
 * @param {Month} as number
 * @param {Day} as number
 * 
 * @return {boolean}
*/
function checkTime(Year, Month, Day) {
    //Year property
    if (typeof Year === "string") {
        this.Year = parseFloat(Year);
    }else{
        this.Year = Year;
    }
    //Month property
    if (typeof Month === "string") {
        this.Month = parseFloat(Month);
    }else{
        this.Month = Month;
    }

    //Day property
    if (typeof Day === "string") {
        this.Day = parseFloat(Day);
    } else {
        this.Day = Day;
    }


    //Indicator property tells if our input is already valid or no. defaultly no
    this.Indicator = false;

    //Our check function
    this.check = function () {
        //Make sure all argument not empty
        if(this.Year!=="" && this.Month!=="" && this.Day!==""){
           //Check if month is february
            if (this.Month === 2) {
                //Check if leap year
                if (this.Year % 4 === 0) {
                    if (this.Day > 29) { //If day exceeds 29 keep indicator false

                    } else { //But if the day equal to 29 or lower make indicator true
                        this.Indicator = true;
                    }
                }
                else {
                    if (this.Day > 28) { //This is not leap year day must 28 in maximum keep indicator false

                    } else { //if lower than 28 make indicator true
                        this.Indicator = true;
                    }
                }
            }
            else {//This to validate month other than february. assign which month must 31 in maximum
                if ((this.Month % 2 !== 0 || this.Month === 8 || this.Month === 10 || this.Month === 12) && (this.Month !== 9 && this.Month !== 11)) {
                    if (this.Day > 31) { //Keep indicator false if day exceeds 31

                    } else { //Other than make true if lower than 31
                        this.Indicator = true;
                    }

                }
                //And this where month must 30 day in maximum
                else if ((this.Month % 2 === 0 || this.Month !== 8 || this.Month !== 10 || this.Month !== 12) || (this.Month === 9 && this.Month === 11)) {
                    if (this.Day > 30) { //Keep indicator false if day exceeds 30

                    } else { //Other than make true if lower than 31
                        this.Indicator = true;
                    }
                }
                else {

                }
            }
            //Do conditioning for indicator. Show the final result
            if (this.Indicator === false) {//Something error
                return false;
            }
            else if (this.Indicator === true) {//Everything is okay
                return true;
            } else {

            }

        }else{
            console.log('Please input all argument');
        }
    }
}

//Test Him
var a = new checkTime(2000, 2, 29);
console.log(a.check()); //output true
var b = new checkTime(2000, 2, 30);
console.log(b.check()); //output false
var c = new checkTime(2001, 1, 31);
console.log(c.check()); //output true
var d = new checkTime(2001, 4, 31);
console.log(d.check()); //output false


</script>