Trying to use thise function. It bombs on
spreadsheetObj
function getCellValue() {
var spreadsheetObj = ej.base.getComponent(document.getElementById('spreadsheet3'), 'spreadsheet');
let sheetNames = spreadsheetObj.sheets;
var actCell = sheetNames[0].activeCell;
let cellIdx = spreadsheetObj.getRangeIndexes(actCell);
let cell = spreadsheetObj.getCell(cellIdx[0], cellIdx[1], sheetNames[0]);
alert(
spreadsheetObj
.getDisplayText(cell));
}