// 禁用缩放 function addMeta() { $('head').append('<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />'); } setTimeout(addMeta, 3000); // 禁用双指放大 document.documentElement.addEventListener('touchstart', function (event) { if (event.touches.length > 1) { event.preventDefault(); } }, { passive: false }); // 禁用双击放大 var lastTouchEnd = 0; document.documentElement.addEventListener('touchend', function (event) { var now = Date.now(); if (now - lastTouchEnd <= 300) { event.preventDefault(); } lastTouchEnd = now; }, { passive: false });