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Prevent Spacebar Doing Page Down

When the Spacebar key is received outside a text entry area, discard it

ئاپتورى
Jefferson Scher
بۈگۈن قاچىلانغىنى
0
جەمئىي قاچىلانغىنى
826
باھا نومۇرى
3 0 0
نەشرى
1.0
قۇرۇلغان ۋاقتى
2018-02-17
يېڭىلانغان ۋاقتى
2018-02-17
ئىجازەتنامىسى
BSD 3-clause
قوللايدىغىنى
بارلىق بېكەتلەر

In Firefox, the space bar can be used for page down, and Shift+Spacebar for page up. This script intercepts the space bar and prevents this behavior. Inspired by https://support.mozilla.org/questions/1205298