Conditional Formatting in Google App Script based on cell value

conditional-formatting.js

//If the current cell is more than the previous cell, set it as lime green

function onEdit(e) {
  var ss = SpreadsheetApp.getActive();
  var sheet = SpreadsheetApp.getActiveSpreadsheet().getActiveSheet();
  var name = sheet.getName();
  var range = sheet.getRange("A:J");
  var values = range.getValues();
  var cell = sheet.getActiveCell();
  var value = cell.getValue();
  var currentRow = cell.getRow();
  var currentColumn = cell.getColumn();
  var previousPosition = currentColumn -1;
  var previousPositionValue = sheet.getRange(currentRow, previousPosition).getValue();
  
  //Loop through the range and if the active cell is greater than the previous cell, set to lime green
  for(i in range) {
    if(value > previousPositionValue){
      cell.setBackground('#00ff00');
    } else {
        cell.setBackground('white');
  }
}
}