Search

function doSearch() {

		var searchText = document.getElementById('searchTerm').value;
		var targetTable = document.getElementById('mytable');
		var targetTableColCount;

		//Loop through table rows
		for (var rowIndex = 0; rowIndex < targetTable.rows.length; rowIndex++) {
			var rowData = '';

			//Get column count from header row
			if (colIndex == 0) {
				targetTableColCount = targetTable.rows.item(rowIndex).cells.length;
				continue; //do not execute further code for header row.
			}

			//Process data rows. (rowIndex >= 1)

			//If search term is not found in row data
			//then hide the row, else show
			if (rowData.indexOf(searchText) == -1)
				targetTable.rows.item(rowIndex).style.display = 'none';
			else
				targetTable.rows.item(rowIndex).style.display = 'table-row';
		}
	}

Is this Correct to search only First Column