// スクロール禁止 $(window).on('touchmove.noScroll', e => { e.preventDefault(); }); // スクロール禁止 解除 $(window).off('.noScroll'); const $window = $(window); const $menu = $('.menu'); const $menuBtn = $('.menu-btn'); let openFlag = false; $menuBtn.on('click', () => { if (!openFlag) { // スクロール禁止 $window.on('touchmove.noScroll', e => { e.preventDefault(); }); // メニューを表示 $menu.fadeIn(() => { openFlag = true; });
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