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<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
  </head>
<body>
         <input type="text" id="input" onkeyup="validar()"/><br/><br />
  
          <div id="logger" style="background:#f44336;color:#fff;">
    
    
    
  </div>
  
</body>
</html>
 
      var input = document.getElementById("input");
      var logger = document.getElementById("logger");
      var $array = ["'0.50'","'0.60'","'0.70'"];
      var i;
      function validar(){
        
        var $descartavel = input.value;
        
        for (i = 0; i < $array.length; i++) {
          if($descartavel.indexOf($array[i]) != -1){ 
            logger.innerHTML = "";
          }else{
            if(i == 10){
              i = 0;
            }
            logger.innerHTML = "Valores estão inválidos! Corrija-os por favor!";
          }
         }
      }
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anonymouspro
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