zlacker

https://mega.nz/#!X4piUYwA!zXH1vCliaO00V2v2554vegCnXzQ69jdAX...

11.7MB HTML file. It crashes the tab in Chrome 65.0.3324.2 64-bit and locks up Firefox 58.0 64-bit on Windows for me.

>>Kikawa+(OP)
Works on my ff 58.0b16 win10 64bit

>>Y_Y+v1
I tried to repeat the test in FF and you're right, it does not lock it up, but once I click in the black area of the page, it becomes unresponsive.