JavaScript – Multimedia
The JavaScript navigator object includes a child object called plugins. This object is an array, with one entry for each plug-in installed on the browser. The navigator.plugins object is supported only by Netscape, Firefox, and Mozilla only.
Example
Here is an example that shows how to list down all the plug-on installed in your browser − Live Demo
<html> <head> <title>List of Plug-Ins</title> </head> <body> <table border = "1"> <tr> <th>Plug-in Name</th> <th>Filename</th> <th>Description</th> </tr> <script language = "JavaScript" type = "text/javascript"> for (i = 0; i<navigator.plugins.length; i++) { document.write("<tr><td>"); document.write(navigator.plugins[i].name); document.write("</td><td>"); document.write(navigator.plugins[i].filename); document.write("</td><td>"); document.write(navigator.plugins[i].description); document.write("</td></tr>"); } </script> </table> </body> </html>
Output
Checking for Plug-Ins
Each plug-in has an entry in the array. Each entry has the following properties −
- name − is the name of the plug-in.
- filename − is the executable file that was loaded to install the plug-in.
- description − is a description of the plug-in, supplied by the developer.
- mimeTypes − is an array with one entry for each MIME type supported by the plug-in.
You can use these properties in a script to find out the installed plug-ins, and then using JavaScript, you can play appropriate multimedia file. Take a look at the following example.
<html> <head> <title>Using Plug-Ins</title> </head> <body> <script language = "JavaScript" type = "text/javascript"> media = navigator.mimeTypes["video/quicktime"]; if (media) { document.write("<embed src = 'quick.mov' height = 100 width = 100>"); } else { document.write("<img src = 'quick.gif' height = 100 width = 100>"); } </script> </body> </html>
Output
NOTE − Here we are using HTML <embed> tag to embed a multimedia file.
Controlling Multimedia
Let us take one real example which works in almost all the browsers − Live Demo
<html> <head> <title>Using Embeded Object</title> <script type = "text/javascript"> <!-- function play() { if (!document.demo.IsPlaying()) { document.demo.Play(); } } function stop() { if (document.demo.IsPlaying()) { document.demo.StopPlay(); } } function rewind() { if (document.demo.IsPlaying()) { document.demo.StopPlay(); } document.demo.Rewind(); } //--> </script> </head> <body> <embed id = "demo" name = "demo" src = "http://www.amrood.com/games/kumite.swf" width = "318" height = "300" play = "false" loop = "false" pluginspage = "http://www.macromedia.com/go/getflashplayer" swliveconnect = "true"> <form name = "form" id = "form" action = "#" method = "get"> <input type = "button" value = "Start" onclick = "play();" /> <input type = "button" value = "Stop" onclick = "stop();" /> <input type = "button" value = "Rewind" onclick = "rewind();" /> </form> </body> </html>
Output
If you are using Mozilla, Firefox or Netscape, then
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