title: I want to change this Script on google sheet
body: <pre><code>var SHEET_NAME = [&quot;1&quot;, &quot;2&quot;, &quot;3&quot;, &quot;연습시트&quot;, &quot;복사용&quot;];
  
  function onEdit() {
    var s = SpreadsheetApp.getActiveSheet();
    if( s.getName() == &quot;1&quot; ) { //checks that we're on the correct sheet
      var r = s.getActiveCell();
      if( r.getColumn() == 1 ) { //checks the column
        var nextCell = r.offset(0, 19);
        if( nextCell.getValue() === '' ) //is empty?
          nextCell.setNumberFormat(&quot;MM/dd HH:mm:ss&quot;)
          nextCell.setValue(new Date());
      }
    }
    if( s.getName() == &quot;2&quot; ) { //checks that we're on the correct sheet
      var r = s.getActiveCell();
      if( r.getColumn() == 1 ) { //checks the column
        var nextCell = r.offset(0, 19);
        if( nextCell.getValue() === '' ) //is empty?
          nextCell.setNumberFormat(&quot;MM/dd HH:mm:ss&quot;)
          nextCell.setValue(new Date());
      }
    }
    if( s.getName() == &quot;3&quot; ) { //checks that we're on the correct sheet
      var r = s.getActiveCell();
      if( r.getColumn() == 1 ) { //checks the column
        var nextCell = r.offset(0, 19);
        if( nextCell.getValue() === '' ) //is empty?
          nextCell.setNumberFormat(&quot;MM/dd HH:mm:ss&quot;)
          nextCell.setValue(new Date());
      }
    }
      if( s.getName() == &quot;연습시트&quot; ) { //checks that we're on the correct sheet
      var r = s.getActiveCell();
      if( r.getColumn() == 1 ) { //checks the column
        var nextCell = r.offset(0, 19);
        if( nextCell.getValue() === '' ) //is empty?
          nextCell.setNumberFormat(&quot;MM/dd HH:mm:ss&quot;)
          nextCell.setValue(new Date());
      }
    }
        if( s.getName() == &quot;복사용&quot; ) { //checks that we're on the correct sheet
      var r = s.getActiveCell();
      if( r.getColumn() == 1 ) { //checks the column
        var nextCell = r.offset(0, 19);
        if( nextCell.getValue() === '' ) //is empty?
          nextCell.setNumberFormat(&quot;MM/dd HH:mm:ss&quot;)
          nextCell.setValue(new Date());
      }
    }
  }
  </code></pre>
  <p>with this script, to add more sheet, I need to add new sheet name and one bunch of code on the script.</p>
  <p>So I wanna change them like, If sheet had Specific text of alphabet in his name, they automatically applied by this script.</p>