VisualViewport: width property
        
        
          
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                  Widely available
                
                
              
        
        
        
          
                
              
                
              
                
              
        
        
      
      This feature is well established and works across many devices and browser versions. It’s been available across browsers since August 2021.
The width read-only property of the VisualViewport interface returns the width of the visual viewport, in CSS pixels, or 0 if current document is not fully active.
Value
A double.
Specifications
| Specification | 
|---|
| CSSOM View Module> # dom-visualviewport-width> | 
Browser compatibility
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