How can I solve the problem that preventDefault forbids root-level div default event child div scroll bar scrolling is invalid?

I wrote a page to swipe up and down the page, and when I put my finger in the div range with content in the middle, I disabled the touchmove event, using {

                    //
                    e.preventDefault()
                    //
                    e.stopPropagation()
                    e.nativeEvent.stopImmediatePropagation();}

but the scroll bar of the div (the one with content) in the middle cannot be scrolled on the mobile phone. It can be scrolled on the PC. Excuse me, God, how to solve this? The code is as follows:
< html >

< head >

<meta HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=gb2312">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1,minimum-scale=1,user-scalable=no">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<script src="/include/zenkee.js"></script>
<script>
    var PageSlide;

    function Page_Load() {
        Loadpage();
        showdatail();
    }

    function changeMusic() {
        if (document.getElementById("btnMusic").getAttribute("alt") == "") {
            document.getElementById("emb").pause();
            document.getElementById("btnMusic").setAttribute("alt", "");
        } else {
            document.getElementById("emb").play();
            document.getElementById("btnMusic").setAttribute("alt", "");
        }
    }

    function showdatail() {
        $.json("/user/jsonSchoolById.asp?s_id=" + <-sharpQS:id> , function (o) {
            for (var i = 0; i < o.length; iPP) {
                $("park").innerHTML = o[i].park;
                $("about").innerHTML = o[i].about;
                $("address").innerHTML = o[i].address;
                $("purpose").innerHTML = o[i].purpose;
                $("target").innerHTML = o[i].target;
                $("object").innerHTML = o[i].object;
                $("time").innerHTML = o[i].s_time + "-" + o[i].e_time;
                $("slogan").innerHTML = o[i].slogan;
                $("enrolment_class").innerHTML = o[i].enrolment_class;
                $("promise").innerHTML = o[i].promise;
                $("charges").innerHTML = o[i].charges;
                document.getElementsByClassName("s_picture")[0].src = "http://8010.suyou188.com/p.asp?file=" + o[i].s_picture;
                document.getElementsByClassName("s_picture")[1].src = "http://8010.suyou188.com/p.asp?file=" + o[i].s_picture;
                document.getElementsByClassName("s_picture")[2].src = "http://8010.suyou188.com/p.asp?file=" + o[i].s_picture;
                document.getElementById("pictures").src = "http://8010.suyou188.com/p.asp?file=" + o[i].pictures;
                document.getElementsByClassName("contacts")[0].innerHTML = o[i].contacts;
                document.getElementsByClassName("contacts")[1].innerHTML = o[i].contacts;
                document.getElementsByClassName("phone")[0].innerHTML = o[i].phone;
                document.getElementsByClassName("phone")[1].innerHTML = o[i].phone;
            }
        });
    }

    /* div*/
    function addBan() {
        var odiv = document.querySelector(".center");
        var widthpoor = odiv.getBoundingClientRect().right - odiv.getBoundingClientRect().left;
        var heightpoor = odiv.getBoundingClientRect().bottom - odiv.getBoundingClientRect().top;
        var page = new PageSlide(document.querySelector(".pages"), "Y", "");
        //var pageTart=new page.touchstart(page);
        alert(page.current);
    }

    function sbmChk() {
        if ((_fm.name.value = _fm.name.value.trim()).length == 0) {
            alert("");
            _fm.name.focus();
            return false;
        }
        if ((_fm.name.value = _fm.name.value.trim()).length == 0) {
            alert("");
            _fm.name.focus();
            return false;
        }
        if ((_fm.name.value = _fm.name.value.trim()).length == 0) {
            alert("");
            _fm.name.focus();
            return false;
        }
        if ((_fm.name.value = _fm.name.value.trim()).length == 0) {
            alert("");
            _fm.name.focus();
            return false;
        }
        if ((_fm.name.value = _fm.name.value.trim()).length == 0) {
            alert("");
            _fm.name.focus();
            return false;
        }
        document.form.action = "/user/getAddApply.asp?s_id=" + <-sharpQS:id> ;
        return true;
    }

    function excessive() {

    }

    /* */
    function Loadpage() {
        /* PageSlide:,,*/
        PageSlide = function (el, swipe, options) {
            this.options = options || {} //
            this.current = 0 //
            this.pageX //
            this.pageY //
            this.height //
            this.width //
            this.flag //
            this.move //
            this.$el = el //
            this.swipe = swipe || "X" //
            this.resize().init().bindEvents() //
        }

        /*translate3d*/
        PageSlide.prototype.setX = function (el, x, unit) {
            el && (el.style.webkitTransform = "translate3d(" + x + (unit || "px") + ",0,0)")
        }
        PageSlide.prototype.setY = function (el, y, unit) {
            el && (el.style.webkitTransform = "translate3d(0," + y + (unit || "px") + ",0)")
        }

        /**/
        PageSlide.prototype.init = function (i) {
            var current = i ? this.$el.children[i] : this.$el.firstElementChild
                //
            if (!current) throw "ERROR";
            //moving,
            current.classList.add("moving")
                //
            current.style.webkitTransform = "translate3d(0,0,0)"
                //swipe
            for (var i = 1; i < this.$el.children.length; iPP) {
                this["set" + this.swipe](this.$el.children[i], (this.swipe === "X" ? this.width : this.height))
            }
            setTimeout(function () {
                current.classList.remove("moving")
                current.classList.add("play")
            }, 3e2)
            return this
        }

        /**/
        PageSlide.prototype.bindEvents = function () {
            var self = this
            window.addEventListener("resize orientationchange", this.resize.bind(this), false)
            "touchstart touchmove touchend touchcancel".split(" ").forEach(function (evn) {
                //
                self.$el.addEventListener(evn, self[evn].bind(self), false)
            })
        }

        /* translate3d0*/
        PageSlide.prototype.setCurrent = function (el, i) {
            //
            el && (el.style.webkitTransform = "translate3d(0,0,0)")
            if (i) {
                //
                this.current = i
                    //
                this.$current = this.$el.children[i]
            }
        }

        /**/
        PageSlide.prototype.getCurrent = function () {
            return this.$el.children[this.current]
        }

        /**/
        PageSlide.prototype.resize = function () {
            this.width = this.$el.parentNode.clientWidth
            this.height = this.$el.parentNode.clientHeight
            return this
        }

        /*random()*/
        PageSlide.prototype.random = function () {
            //
            var count = this.$el.children.length
            var current = this.current
            var arr = []
            var num
            for (var i = 0; i < count; iPP) {
                //
                if (i !== current) arr.push(i.toString())
            }
            //
            num = Math.floor(Math.random() * arr.length)
                //
            this.direct(+arr[num])
        }

        /* ,*/
        PageSlide.prototype.touchstart = function (e) {
            //pagestoucherstouchertoucher
            var touches = e.touches[0]
                //
            this.flag = null
            this.move = 0
                //XY
            if (this.current !== 0) {
                //div
                var odiv = document.getElementsByClassName("center")[this.current - 1];
                //divtouch
                if (touches.pageX>=odiv.getBoundingClientRect().left && touches.pageX<=odiv.getBoundingClientRect().right && touches.pageY>=odiv.getBoundingClientRect().top && touches.pageY<=odiv.getBoundingClientRect().bottom){
                     this.pageX=0;
                     this.pageY=0;
                }else{
                     this.pageX = touches.pageX
                     this.pageY = touches.pageY
                }
            }else{
                this.pageX = touches.pageX
                this.pageY = touches.pageY
            }
        }

        /* */
        PageSlide.prototype.touchmove = function (e) {
            var touches = e.touches[0]
            if (this.current !== 0) {
                //div
                var odiv = document.getElementsByClassName("center")[this.current - 1];
                //divtouch
                if (touches.pageX>=odiv.getBoundingClientRect().left && touches.pageX<=odiv.getBoundingClientRect().right && touches.pageY>=odiv.getBoundingClientRect().top && touches.pageY<=odiv.getBoundingClientRect().bottom){
                    //
                    e.preventDefault()
                        //
                    e.stopPropagation()
                    e.nativeEvent.stopImmediatePropagation();
                    odiv.addEventListener("touchmove",function(e){e.returnValue = true;}, false);
                }else if(this.pageX===0&&this.pageY===0){
                    //
                    e.preventDefault()
                        //
                    e.stopPropagation()
                    e.nativeEvent.stopImmediatePropagation();
                    odiv.addEventListener("touchmove",function(e){e.returnValue = true;}, false);
                } else {
                    //XY
                    var X = touches.pageX - this.pageX
                    var Y = touches.pageY - this.pageY
                        //
                    var current = this.getCurrent()
                        //
                    var next = current.nextElementSibling
                    var prev = current.previousElementSibling
                        //
                    if (!this.flag) {
                        //
                        this.flag = Math.abs(X) > Math.abs(Y) ? "X" : "Y"
                        if (this.flag === this.swipe) {
                            //
                            current.classList.add("moving")
                            next && next.classList.add("moving")
                            prev && prev.classList.add("moving")
                        }
                    }
                    //
                    if (this.flag === this.swipe) {
                        //
                        e.preventDefault()
                            //
                        e.stopPropagation()
                        switch (this.swipe) {
                        case "X":
                            //swipe horizontal
                            this.move = X
                            this.setX(current, X)
                                //set
                            next && (this.setX(next, X + this.width))
                            prev && (this.setX(prev, X - this.width))
                            break;
                        case "Y":
                            //swipe vertical
                            this.move = Y
                            this.setY(current, Y)
                                //set
                            next && (this.setY(next, Y + this.height))
                            prev && (this.setY(prev, Y - this.height))
                            break;
                        }
                    }
                }
            } else {
                var touches = e.touches[0]
                    //XY
                var X = touches.pageX - this.pageX
                var Y = touches.pageY - this.pageY
                    //
                var current = this.getCurrent()
                    //
                var next = current.nextElementSibling
                var prev = current.previousElementSibling
                    //
                if (!this.flag) {
                    //
                    this.flag = Math.abs(X) > Math.abs(Y) ? "X" : "Y"
                    if (this.flag === this.swipe) {
                        //
                        current.classList.add("moving")
                        next && next.classList.add("moving")
                        prev && prev.classList.add("moving")
                    }
                }
                //
                if (this.flag === this.swipe) {
                    //
                    e.preventDefault()
                        //
                    e.stopPropagation()
                    switch (this.swipe) {
                    case "X":
                        //swipe horizontal
                        this.move = X
                        this.setX(current, X)
                            //set
                        next && (this.setX(next, X + this.width))
                        prev && (this.setX(prev, X - this.width))
                        break;
                    case "Y":
                        //swipe vertical
                        this.move = Y
                        this.setY(current, Y)
                            //set
                        next && (this.setY(next, Y + this.height))
                        prev && (this.setY(prev, Y - this.height))
                        break;
                    }
                }
            }
        }

        /* */
        PageSlide.prototype.touchend = function (e) {
            //
            var minRange = 50
            var move = this.move
                //
            var current = this.getCurrent()
                //
            var next = current.nextElementSibling
            var prev = current.previousElementSibling
                //
            current.classList.remove("moving")
            next && next.classList.remove("moving")
            prev && prev.classList.remove("moving")
            if (!this.flag) return
                //
            e.preventDefault()
                //,next()go()
            if (move < -minRange && next) return this.next()
            if (move > minRange && prev) return this.prev()
                //
            this.reset()
        }

        /* */
        PageSlide.prototype.touchcancel = function (e) {
            //
            var current = this.getCurrent()
            var next = current.nextElementSibling
            var prev = current.previousElementSibling
                //
            current.classList.remove("moving")
            next && next.classList.remove("moving")
            prev && prev.classList.remove("moving")
                //
            this.reset()
        }

        /* go()*/
        PageSlide.prototype.next = function () {
            this.go(this.current + 1)
        }
        PageSlide.prototype.prev = function () {
            this.go(this.current - 1)
        }

        /* ,*/
        PageSlide.prototype.reset = function () {
            var width = this.width
            var height = this.height
            var swipe = this.swipe
            var current = this.getCurrent()
            var prev = current.previousElementSibling
            var next = current.nextElementSibling
            this.setCurrent(current)
            prev && (this["set" + swipe](prev, -(swipe === "X" ? width : height)))
            next && (this["set" + swipe](next, swipe === "X" ? width : height))
        }

        /* go*/
        PageSlide.prototype.go = function (i) {
            var onFinish = this.options.onFinish
            var current = this.getCurrent()
                //
            var total = this.$el.childElementCount
            var target = this.$el.children[i]
            var d = i < this.current ? -1 : 1
            if (i === this.current || i < 0 || i >= total) return
            if (onFinish && (typeof onFinish === "function")) onFinish.call(this, i)
                // 
            typeof this.options.tranSetionEnd === "function" && this.options.tranSetionEnd.call(this)
            this.current = i
            this["set" + this.swipe](current, -d * (this.swipe === "X" ? this.width : this.height))
            this.setCurrent(target, i)
            this.finish(current, target)
        }

        /* .play.play*/
        PageSlide.prototype.finish = function (curr, target) {
            this.flag = null
            setTimeout(function () {
                curr && curr.classList.remove("play")
                target && target.classList.add("play")
            }, 3e2)
        }

        PageSlide.prototype.direct = function (i) {
            if (i && typeof (i) === "number") {
                this.go(i)
                for (var j = 0; j < i; jPP) {
                    this["set" + this.swipe](this.$el.children[j], -1 * (this.swipe === "X" ? this.width : this.height))
                }
            } else return
        }

        //  
        document.addEventListener("touchmove", function (e) {
            e.preventDefault()
        })

        /* */
        var pages = new PageSlide(document.querySelector(".pages"), "Y", {
            tranSetionEnd: function () {
                console.log(this.current);
            }
        })
    }
</script>
<style>
    html,
    body {
        width: 100%;
        height: 100%;
        margin: 0;
        padding: 0;
        overflow: hidden;
        font-family: "Arial", "Microsoft YaHei", "", "", sans-serif;
    }
    .pages {
        width: 100%;
        height: 100%;
        position: relative;
        background: -sharpFFF;
    }
    .page {
        font-size: 22px;
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        overflow: hidden;
        transform: translate3d(0px, 100%, 0px);
        -webkit-transform: translate3d(0px, 100%, 0px);
        -moz-transform: translate3d(0px, 100%, 0px);
        transition: transform .5s ease-out;
        -webkit-transition: -webkit-transform .5s ease-out;
        -moz-transition: -moz-transform .5s ease-out;
        background-image: url(<-sharpPATH>.png);
        background-repeat: no-repeat;
        background-size: 100% 100%;
    }
    @-webkit-keyframes move {
        100% {
            -webkit-transform: translate3d(150px, 0, 0);
            transform: translate3d(150px, 0, 0);
            -ms-transform: translate3d(150px, 0, 0);
        }
    }
    /**/
    .rotate {
        width: 50px;
        height: 50px;
        border-radius: 25px;
        position: fixed;
        background-image: url(<-sharpPATH>.png);
        background-repeat: no-repeat;
        background-size: 100% 100%;
        top: 15;
        left: 8;
        display: inline-block;
        -webkit-animation: rotate 5s linear;
        animation: rotate 5s linear;
        animation-iteration-count: 999999;//
        -webkit-animation-iteration-count: 999999;
    }
    @-webkit-keyframes rotate {
        0% {
            -webkit-transform: rotate(0deg);
            transform: rotate(0deg)
        }
        100% {
            -webkit-transform: rotate(359deg);
            transform: rotate(359deg)
        }
    }
    .xiangxiatishi {
        position: fixed;
        bottom: 20px;
        left: 50%;
        -webkit-transform: translateX(-50%);
        -webkit-animation: dong 1s linear 0s infinite alternate;
    }
    .top {
        width: 70%;
        height: 25%;
        margin: 0 auto;
        background-color: rgba(0, 0, 0, 0);
        text-align: center;
    }
    .center {
        width: 80%;
        height: 35%;
        margin: 0 auto;
        background-color: -sharpFFF;
        border-radius: 15px;
        overflow-y:scroll;
    }
</style>

< / head >

< body >

<audio src="include/.mp3" autoplay="autoplay" loop="true" id=emb></audio>
<div class="pages">
    <div class="page page1">
        <div id=btnMusic alt="" class="rotate" onclick=changeMusic()></div>
        <!-- <a onclick=changeMusic()><img src="<-sharpPATH>.png" id=btnMusic alt="" class="btnMusic" ></a> -->
        <div style="margin-top:20%;margin-left:8%;width:60%;height:55%;background:url(<-sharpPATH>yuncai.png);background-repeat: no-repeat;background-size: 100% 100%;">
            <table style=";width:100%;height:95%;text-align:center;font-size:24px;color:-sharp58B8FE;">
                <tr>
                    <td>
                        <div onclick="" style="padding-top:5%;"></div>
                    </td>
                </tr>
                <tr>
                    <td>
                        <div onclick=""></div>
                    </td>
                </tr>
                <tr>
                    <td>
                        <div onclick=""></div>
                    </td>
                </tr>
                <tr>
                    <td>
                        <div onclick=""></div>
                    </td>
                </tr>
            </table>
        </div>
    </div>
    <div class="page page2">
        <div class=top>
            <h2 style="padding-top:50px;"></h2>
        </div>
        <div class=center>
            <table width="90%">
                <tr>
                    <td id=park colspan=2></td>
                </tr>
                <tr>
                    <td id=about colspan=2></td>
                </tr>
                <tr>
                    <td colspan=2>
                        <img style="width:100%;" class=s_picture />
                    </td>
                </tr>
                <tr>
                    <td>:</td>
                    <td id=address></td>
                </tr>
                <tr>
                    <td>:</td>
                    <td class=contacts></td>
                </tr>
                <tr>
                    <td>:</td>
                    <td class=phone></td>
                </tr>
            </table>
        </div>
    </div>
    <div class="page page3">
        <div class=top>
            <h2 style="padding-top:50px;"></h2>
        </div>
        <div class=center>
            <table width="90%">
                <tr>
                    <td>
                        <h4></h4>
                    </td>
                </tr>
                <tr>
                    <td id=purpose></td>
                </tr>
                <tr>
                    <td>
                        <h4></h4>
                    </td>
                </tr>
                <tr>
                    <td id=target></td>
                </tr>
                <tr>
                    <td>
                        <img style="width:100%;" class=s_picture />
                    </td>
                </tr>
            </table>
        </div>
    </div>
    <div class="page page4">
        <div class=top>
            <h2 style="padding-top:50px;"></h2>
        </div>
        <div class=center>
            <img style="width:100%;" class=s_picture />
        </div>
    </div>
    <div class="page page5">
        <div class=top>
            <h2 style="padding-top:50px;"></h2>
        </div>
        <div class=center>
            <table>
                <tr>
                    <td id=slogan colspan=2></td>
                </tr>
                <tr>
                    <td>:</td>
                    <td id=object></td>
                </tr>
                <tr>
                    <td>:</td>
                    <td id=time></td>
                </tr>
                <tr>
                    <td>:</td>
                    <td id=enrolment_class></td>
                </tr>
                <tr>
                    <td>:</td>
                    <td id=promise></td>
                </tr>
                <tr>
                    <td>:</td>
                    <td id=charges></td>
                </tr>
                <tr>
                    <td>:</td>
                    <td class=contacts></td>
                </tr>
                <tr>
                    <td>:</td>
                    <td class=phone></td>
                </tr>
                <tr>
                    <td colspan=2>
                        <img style="height:100%;" id=pictures />
                    </td>
                </tr>
            </table>
        </div>
    </div>
    <div class="page page5">
        <div class=top>
            <h2 style="padding-top:50px;"></h2>
        </div>
        <div class=center>
            <form method=post name=form onsubmit="try{return sbmChk();}catch(e){alert(e.description);return false;}" ajaxdone="if($.ajax.callback()){alert("");}">
                <table>
                    <tr>
                        <td>:</td>
                        <td>
                            <input name=name>
                        </td>
                    </tr>
                    <tr>
                        <td>:</td>
                        <td>
                            <input name=name>
                        </td>
                    </tr>
                    <tr>
                        <td>:</td>
                        <td>
                            <input name=guardian placeholder="">
                        </td>
                    </tr>
                    <tr>
                        <td>:</td>
                        <td>
                            <input name=address>
                        </td>
                    </tr>
                    <tr>
                        <td>:</td>
                        <td>
                            <input name=phone placeholder="">
                        </td>
                    </tr>
                    <tr>
                        <td colspan=2>
                            <input type=submit value=>
                        </td>
                    </tr>
                </table>
            </form>
        </div>
    </div>
</div>
<div class=xiangxiatishi></div>

< / body >

< / html >

Mar.11,2021
The

e.nativeEvent.stopImmediatePropagation (); method prevents processing of event listeners in the current node and all subsequent nodes in the event flow. This method takes effect immediately and affects event listeners in the current node. Here, you only need to deal with the current event listener, so you don't need to comment it out here, and you can bind the div object that needs to be scrolled, and bind e.stopPropagation () in a touchmove event to prevent bubbling.

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