const checkboxes = document.querySelectorAll('.inbox input[type="checkbox"]');
        // 選擇多選框
        checkboxes.forEach(checkbox => checkbox.addEventListener('click', handleCheck));
        // 點擊多選框觸發函數
        let lastChecked;

        function handleCheck(e) {
            // 判斷是否同時按下shift和選擇多選框的參數
            let inBetween = false;

            if (e.shiftKey && this.checked) {
                // 遍歷所有 checkbox

                checkboxes.forEach(checkbox => {
                    console.log(checkbox);
                    if (checkbox === this || checkbox === lastChecked) {
                        inBetween = !inBetween;
                        console.log('Starting to check them inbetween!');
                    }
                    // 勾選區間內為true的checkbox
                    if (inBetween) {
                        checkbox.checked = true;
                    }
                });


            }

            lastChecked = this;
        }