JavaScript
          
        by Zulkarnain K.
About this Collection
Add-ons to enhance your browsing experience by using JavaScript for web contents or Firefox itself.
10 Add-ons in this Collection
              
    
      
      JavaScript Debugger
    
        by James Ross, Robert Ginda, others
    
  
    702 users
As of Firefox 33, Venkman *no longer works*, as the APIs which it needs have been removed.
Venkman is the code name for Mozilla's JavaScript Debugger. Venkman aimed to provide a powerful JavaScript debugging environment for Mozilla based browsers.
              
    
      
      Custom Buttons
    
        by  Yan, cubegm, others
    
  
    17 users
Gives a possibility to create custom toolbarbuttons...
              
    
      
      Scriptish
    
        by Erik Vold, Nils Maier, others
    
  
    6 users
The greatest user script engine on the Internet (a fork of Greasemonkey).
              
    
      
      Execute JS
    
        by Rudolf Noe
    
  
    0 users
Execute JS is a enhanced JavaScript-Console, where you can comfortably enter and execute arbitrary JavaScript-Code and modify functions...
              
    
      
      JavaScript Object Examiner
    
        by Chuck_Baker
    
  
    
  
  Experimental
 
0 users
Display JavaScript object methods and properties for any available scope.
              
    
      
      Mozilla Labs - Jetpack Prototype
    
        by Mozilla Labs
    
  
    
  
  Experimental
 
0 users
Jetpack Prototype is an experiment in making it easy to build Firefox add-ons using common web technologies.
              
    
      
      JSON Inspector
    
        by Zulkarnain K.
    
  
    
  
  Experimental
 
1 user
Inspect JSON object from a URL or entered data.
Requires either DOM Inspector or DOM Inspector Plus! [dm] extension.
              
    
      
      Custom Buttons²
    
        by SCClockDr, nicholasalipaz, others
    
  
    0 users
The Custom Buttons² Firefox extension provides the code base support necessary to create, maintain, import, and export custom toolbar buttons. The buttons can perform just about any task, with a large number of buttons already available on the exte...
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