How to install Firefox and update it on Ubuntu?

To install - 

$ sudo snap install firefox 

 

To update it - 

$sudo snap refresh firefox

HTML code to play flash swf in IE, Chrome, and Firefox

<object width="400" height="40"
classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000"
codebase="http://fpdownload.macromedia.com/
pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0">
< param name="SRC" value="bookmark.swf">
< embed src="bookmark.swf" width="400" height="40">
< /embed>
< /object>

HTML code to play WMV video in IE, Chrome and Firefox

Note: Chrome and Firefox would NOT play .wmv

<object width="100%" height="100%"
type="video/x-ms-asf" url="3d.wmv" data="3d.wmv"
classid="CLSID:6BF52A52-394A-11d3-B153-00C04F79FAA6">
<param name="url" value="3d.wmv">
<param name="filename" value="3d.wmv">
<param name="autostart" value="1">
<param name="uiMode" value="full">
<param name="autosize" value="1">
<param name="playcount" value="1">
<embed type="application/x-mplayer2" src="3d.wmv" width="100%" height="100%" autostart="true" showcontrols="true" pluginspage="http://www.microsoft.com/Windows/MediaPlayer/"></embed>
</object>