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  1. var buttons = document.getElementsByTagName('button');
  2.  
  3.  
  4.  
  5. for (var i = 0; i < buttons.length; i++)
  6. {
  7. 	buttons[i].onclick = function() 
  8. 	{
  9. 		buttons[i].style.backgroundColor = 'black';
  10. 	}
  11. }
Runtime error #stdin #stdout #stderr 0s 172608KB
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Standard input is empty
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Standard output is empty
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prog.js:1:0 ReferenceError: document is not defined
https://ideone.com/bEujRt
language:
JavaScript (SMonkey 60.2.3)
created:
8 years ago
visibility:
public

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