How to Reverse a Video
One of my favorite media utilities is ffmpeg. This command line utility allows us to do some pretty amazing stuff like;
Every once in a while I see a meme or funny video that reverses a video for effect. Since ffmpeg does just about everything I can imagine, I turned to it.
To reverse a video, use the following ffmpeg command:
ffmpeg -i my-video.mp4 -vf reverse my-video.mp4
Remember that you can simply change the video format via the output video's file extension, so you could export to anything from a webm to an animated GIF!
![Vibration API]()
Many of the new APIs provided to us by browser vendors are more targeted toward the mobile user than the desktop user. One of those simple APIs the Vibration API. The Vibration API allows developers to direct the device, using JavaScript, to vibrate in...
![Page Visibility API]()
One event that's always been lacking within the document is a signal for when the user is looking at a given tab, or another tab. When does the user switch off our site to look at something else? When do they come back?
![Implement jQuery’s hover() Method in MooTools]()
jQuery offers a quick event shortcut method called hover that accepts two functions that represent mouseover and mouseout actions. Here's how to implement that for MooTools Elements.
The MooTools JavaScript
We implement hover() which accepts to functions; one will be called on mouseenter and the other...
![JavaScript and CSS Spinners with spin.js]()