iOS: disable bounce scroll but allow normal scroll

2020-02-02 11:17发布

问题:

I don't want the content of my site sloshing around when the user hits the edge of a page. I just want it to stop.

The omni-present javascript solution I see everywhere is this:

$(document).bind(
   'touchmove',
   function(e) {
     e.preventDefault();
   }
);

But this prevents scrolling entirely. Is there way to just remove the bounce. Preferably with CSS or a meta tag as opposed JS, but anything that works will do.

回答1:

I have to add another answer. My first approach should work, but, there is an iOS bug, which still bumbs the whole page, even if e.stopPropagation.

mikeyUX find a workaround for this: https://stackoverflow.com/a/16898264/2978727 I wonder why he just get a few clicks for this great idea...

This is how I used his approach in my case:

var content = document.getElementById('scrollDiv');
content.addEventListener('touchstart', function(event) {
    this.allowUp = (this.scrollTop > 0);
    this.allowDown = (this.scrollTop < this.scrollHeight - this.clientHeight);
    this.slideBeginY = event.pageY;
});

content.addEventListener('touchmove', function(event) {
    var up = (event.pageY > this.slideBeginY);
    var down = (event.pageY < this.slideBeginY);
    this.slideBeginY = event.pageY;
    if ((up && this.allowUp) || (down && this.allowDown)) {
        event.stopPropagation();
    }
    else {
        event.preventDefault();
    }
});


回答2:

Disable bouncing by prevent the default behaviour of the document:

document.addEventListener("touchmove", function(event){
    event.preventDefault();
});

Allow scrolling by prevent that the touch reaches the document level (where you would prevent the scrolling):

var scrollingDiv = document.getElementById('scrollDiv');
scrollingDiv.addEventListener('touchmove', function(event){
    event.stopPropagation();
});

Mind the difference between these two:

event.stopPropagation()
event.preventDefault()

StopPropagation should be your choice here ! Here is a very good explanation: http://davidwalsh.name/javascript-events

Edit: Same problem, same solution: document.ontouchmove and scrolling on iOS 5

Edit2: fixed typo in variable names added brackets after methods



回答3:

If apply to Desktop Browser, don't need any JavaScript codes, just few lines of CSS codes:

html {
    height  : 100%;
    overflow: hidden;
}
body {
    height  : 100%;
    overflow: auto;
}


回答4:

I tried lots of different approaches I found here on stackoverflow, but iNoBounce was the thing that really worked for me: https://github.com/lazd/iNoBounce

I just included it in my index.html:

<script src="inobounce.js"></script>


回答5:

This library is solution for my scenarios. Easy way to use just include library and initialize where you want like these;

noBounce.init({   
    animate: true
});

If you want to prevent bouncing only on one element and not on the whole page you can do it like:

 noBounce.init({
    animate: true,
    element: document.getElementById("content")
  }); 


回答6:

Found a code that worked to me, I believe it will work to you.

The solution is written here: http://apdevblog.com/optimizing-webkit-overflow-scrolling/

Basically, you need to have this js code:

    document.addEventListener("DOMContentLoaded", ready, false);
    document.addEventListener("touchmove", function (evt)
    {
        evt.preventDefault();
    }, false);

    function ready()
    {
        var container = document.getElementsByClassName("scrollable")[0];
        var subcontainer = container.children[0];
        var subsubcontainer = container.children[0].children[0];

        container.addEventListener("touchmove", function (evt)
        {
            if (subsubcontainer.getBoundingClientRect().height > subcontainer.getBoundingClientRect().height)
            {
                evt.stopPropagation();
            }
        }, false);
    }

And then, have your scrollable divs with the class="scrollable".



回答7:

After trying these suggestions and reading several articles, the fix for me was to use the CSS property < overflow-x: hidden; > on the problematic element/container.