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  1. var buttons = document.getElementsByTagName('button');
  2.  
  3.  
  4. for (var i = 0; i < buttons.length; i++)
  5. {
  6. 	buttons[i].onclick = function()
  7. 	{
  8. 		buttons[i].style.backgroundColor = 'black';
  9. 	}
  10. }
Runtime error #stdin #stdout #stderr 0s 107072KB
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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/Go22lv
language:
JavaScript (SMonkey 60.2.3)
created:
6 years ago
visibility:
public

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