zzzop

## waitForKeyElements.js
/*--- waitForKeyElements():  A utility function, for Greasemonkey scripts,
    that detects and handles AJAXed content.

    Usage example:

        waitForKeyElements (
            "div.comments"
            , commentCallbackFunction
        );

## countdown-timer.markdown

      
        
          
            
              
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                zzzop
                / countdown-timer.markdown
            
            
              Created
              August 19, 2020 11:02
            
              
                Countdown Timer
              
          
        
      
        
  
      
    Countdown Timer

A how-to for a countdown clock.
A Pen by Matt Smith on CodePen.
License.
	/*--- waitForKeyElements(): A utility function, for Greasemonkey scripts,
	that detects and handles AJAXed content.

	Usage example:

	waitForKeyElements (
	"div.comments"
	, commentCallbackFunction
	);