javascript - Want to have browser viewport resize when iOS keyboard is activated -

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in ios web browsers (safari, chrome, etc.), when click input field , keyboard displays, keeps viewport same size slides partially out of view. makes creating app-like websites difficult, i'm coding chatting app , when keyboard shows want keep conversation in view, resize conversation area fit in new "resized" viewable area.

i've tried everything, such having conversation area absolutely positioned left: 0; right: 0; top: 0; bottom: 0, still ios keeps viewport same size , pushes , partially out of view.

is possible? or system-level functionality beyond control of css or javascript?


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