Cacher is the code snippet organizer for pro developers

function openDocumentById() {
  var ss = SpreadsheetApp.getActiveSpreadsheet();
  var sheet = ss.getActiveSheet();
  var lastRow = sheet.getLastRow();
  var lastColumn = sheet.getLastColumn();
  
  var docsSheet = ss.getSheetByName("Docs");
  
  var docsNamesArray = ss.getRange("docsNamesRange").getValues(); 
  var docsIdArray = ss.getRange("idRange").getValues();
   

  //loops through all documents in array
  for (x = 0; x < docsIdArray.length; x++) {
    var openById = DocumentApp.openById(docsIdArray[0]);
    
  }
  
}