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<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>JS Bin</title>
</head>
<body>
<script>
var json = '{"status":200,"command":"faca algo","action":"function (){document.write(\'quer que eu faça algo?\'); }","type":"acao"}';
var obj = JSON.parse(json);
// Guarda a função num objeto
var funcao = eval('(' + obj.action + ')');
// Executa a função
funcao();
</script>
</body>
</html>
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anonymouspro
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