Calelnder Logic

    function calenderLoop() {

        for (let i = 0; i < dateNumber.length; i++) {

            if (i === 0) {
                dateObject.setDate(1)
            }

            if (dateObject.getDay() > 1 && i === 0 || dateObject.getDay() === 0 && i === 0) {

                if (dateObject.getDay() === 0) {
                    // dateObject.setMonth(dateObject.getMonth() - 1)

                    if (dateObject.getMonth() - 1 === 0 || dateObject.getMonth() - 1 === 2 || dateObject.getMonth() - 1 === 4 || dateObject.getMonth() - 1 === 6 || dateObject.getMonth() - 1 === 7 || dateObject.getMonth() - 1 === 9 || dateObject.getMonth() - 1 === -1 || dateObject.getMonth() - 1 === 11) {
                        for (let b = 0; b < 6; b++) {
                            dateNumber[i].textContent = 26 + b
                            i++
                        }

                        i--
                    } else if (dateObject.getMonth() - 1 === 1) {

                        if (dateObject.getFullYear() % 4 === 0) {
                            for (let b = 0; b < 6; b++) {
                                dateNumber[i].textContent = 24 + b
                                i++
                            }

                            i--
                        } else {
                            for (let b = 0; b < 6; b++) {
                                dateNumber[i].textContent = 23 + b
                                i++
                            }

                            i--
                        }

                    } else {
                        for (let b = 0; b < 6; b++) {
                            dateNumber[i].textContent = 25 + b
                            i++
                        }

                        i--
                    }
                } else {

                    if (dateObject.getMonth() - 1 === 0 || dateObject.getMonth() - 1 === 2 || dateObject.getMonth() - 1 === 4 || dateObject.getMonth() - 1 === 6 || dateObject.getMonth() - 1 === 7 || dateObject.getMonth() - 1 === 9 || dateObject.getMonth() - 1 === -1 || dateObject.getMonth() - 1 === 11) {

                        let latestDay = 32 - dateObject.getDay()

                        for (let b = 1; b < dateObject.getDay(); b++) {
                            dateNumber[i].textContent = latestDay + b
                            i++
                        }

                        i--

                    } else if (dateObject.getMonth() - 1 === 1) {

                        if (dateObject.getFullYear() % 4 === 0) {

                            let latestDay = 30 - dateObject.getDay()

                            for (let b = 1; b < dateObject.getDay(); b++) {
                                dateNumber[i].textContent = latestDay + b
                                i++
                            }

                            i--
                        } else {

                            let latestDay = 29 - dateObject.getDay()

                            for (let b = 1; b < dateObject.getDay(); b++) {
                                dateNumber[i].textContent = latestDay + b
                                i++
                            }

                            i--
                        }

                    } else {

                        let latestDay = 31 - dateObject.getDay()

                        for (let b = 1; b < dateObject.getDay(); b++) {
                            dateNumber[i].textContent = latestDay + b
                            i++
                        }

                        i--
                    }
                }

            } else {

                if (dateObject.getMonth() === 0 || dateObject.getMonth() === 2 || dateObject.getMonth() === 4 || dateObject.getMonth() === 6 || dateObject.getMonth() === 7 || dateObject.getMonth() === 9 || dateObject.getMonth() === -1 || dateObject.getMonth() === 11) {
                    for (let b = 1; b <= 31; b++) {

                        if (b < 10) {
                            dateNumber[i].textContent = `0${b}`
                        } else {
                            dateNumber[i].textContent = b
                        }

                        i++
                    }

                    if (i >= 31 && i <= 41) {

                        let firstNumbersNewMonth = 42 - i

                        for (let b = 1; b <= firstNumbersNewMonth; b++) {

                            if (b < 10) {
                                dateNumber[i].textContent = `0${b}`
                            } else {
                                dateNumber[i].textContent = b
                            }

                            i++
                        }
                    }

                } else if (dateObject.getMonth() === 1) {

                    if (dateObject.getFullYear() % 4 === 0) {
                        for (let b = 1; b <= 29; b++) {

                            if (b < 10) {
                                dateNumber[i].textContent = `0${b}`
                            } else {
                                dateNumber[i].textContent = b
                            }

                            i++
                        }

                        if (i >= 29 && i <= 41) {

                            let firstNumbersNewMonth = 42 - i

                            for (let b = 1; b <= firstNumbersNewMonth; b++) {

                                if (b < 10) {
                                    dateNumber[i].textContent = `0${b}`
                                } else {
                                    dateNumber[i].textContent = b
                                }

                                i++
                            }
                        }

                    } else {
                        for (let b = 1; b <= 28; b++) {

                            if (b < 10) {
                                dateNumber[i].textContent = `0${b}`
                            } else {
                                dateNumber[i].textContent = b
                            }

                            i++
                        }

                        if (i >= 28 && i <= 41) {

                            let firstNumbersNewMonth = 42 - i

                            for (let b = 1; b <= firstNumbersNewMonth; b++) {

                                if (b < 10) {
                                    dateNumber[i].textContent = `0${b}`
                                } else {
                                    dateNumber[i].textContent = b
                                }

                                i++
                            }
                        }
                    }

                } else {
                    for (let b = 1; b <= 30; b++) {

                        if (b < 10) {
                            dateNumber[i].textContent = `0${b}`
                        } else {
                            dateNumber[i].textContent = b
                        }

                        i++
                    }

                    if (i >= 30 && i <= 41) {

                        let firstNumbersNewMonth = 42 - i

                        for (let b = 1; b <= firstNumbersNewMonth; b++) {

                            if (b < 10) {
                                dateNumber[i].textContent = `0${b}`
                            } else {
                                dateNumber[i].textContent = b
                            }

                            i++
                        }
                    }
                }

            }


        }
    }