TEST (WARNING: This is designed to crash certain browsers!):A couple of lines of code that runs in any modern web browser by default may crash Apple's Safari web browser, iPhones and affects select browsers as well.
..but:
--The developer promises code to crash or freeze Firefox in the coming week.
TEST (WARNING: This is designed to freeze certain browsers):The same developer released a one-liner, JavaScript this time, that freezes Google Chrome and ChromeOS.
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It is up to the browser's developers to fix the issue.
While it does lead to freezes or crashes only, it may lead to data loss due to that.