ios端h5页面双击页面会发生滚动问题解决办法

document.querySelector(".top-content-scroll").addEventListener("touchmove", function (event) { 
event.preventDefault();}, false);

let agent = navigator.userAgent.toLowerCase();
    let iLastTouchTime = null;
    if (agent.indexOf('iphone') >= 0 || agent.indexOf('ipad') >= 0) {
        document.querySelector(".top-content-scroll").addEventListener('touchend',
        function (event) {
            let iNowTime = new Date().getTime();
            iLastTouchTime = iLastTouchTime || iNowTime+ 1;
            let delta = iNowTime- iLastTouchTime;
            if (delta < 500 && delta > 0) {
                event.preventDefault();
                return false;
            }
            iLastTouchTime = iNowTime;
        }, false);
    };