javascript - Prevent underlying div from scrolling in iOS Safari -

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i have div 100% height, 70% viewport height, , overflow:scroll.

now want create overlaying div touch devices can use scroll whole page instead of div.

i created div position:absolute , full page height. if android users drag on div, whole page scrolls, expected. however, on ios7 underlying div scrolled, touch event goes right trough div.

jsfiddle

.scrolldiv{     width:100%;     height:200px;     overflow-y:scroll;     border:solid 1px #f00;     -webkit-overflow-scrolling: touch; } .pagescroller{     position:absolute;     right:0;     top:0;     bottom:0;     width:50%;     background-color: rgba(0,0,0,0.7); }

if use ios7 , drag on page div on scrolling div, scrolling div scrolled instead of page.

does know solution this?

on .pagescroller scroller element, add overflow-y: scroll; , -webkit-overflow-scrolling: touch; attributes, postive z-index. prevents scroll action reach "layer" beneath. 

.pagescroller{     position:absolute;     right:0;     top:0;     bottom:0;     width:50%;     z-index: 1;     background-color: rgba(0,0,0,0.7);     overflow-y:scroll;     -webkit-overflow-scrolling: touch; }

check jsfiddle: http://jsfiddle.net/r9ut6/


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