javascript - overflow-y: scroll causing Chrome F12 Tools Device Mode to Crash -
yes know sounds strange one. have angular app custom "dropdown" directive.
part of css drop-down is:
.dropdown-menu { position: absolute; top: 100%; left: 0; z-index: 1000; display: none; float: left; min-width: 100%; padding: 5px 0; list-style: none; font-size: 12px; background-color: #ffffff; border: 1px solid #cccccc; border: 1px solid rgba(0, 0, 0, 0.15); background-clip: padding-box; max-height: 300px; overflow-y: scroll; } the custom dropdown toggles open when parent anchor clicked , adds display:block div.dropdown-menu element. if dropdown close current display "bottom" in chrome f12 tools device mode, device iphone 6 , overflows below page view causes chrome v43 "aw, snap" crash:

if drop down @ top of page opens correctly this:

if uncheck overflow-y: scroll chrome f12 tools here:

it cause crash well: 
i have tried using chrome.exe error logging on nothing logged log file.
what issue here, looks chrome f12 tools device mode
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