window.addEventListener('mousewheel', function(event){
if (event.ctrlKey === true || event.metaKey) {
event.preventDefault();
}
},{ passive: false});
//firefox
window.addEventListener('DOMMouseScroll', function(event){
if (event.ctrlKey === true || event.metaKey) {
event.preventDefault();
}
},{ passive: false});
持续优化·········
