Gets the index of the first non-empty row within the sheet. This property identifies the starting point of data or content within a sheet, enabling targeted operations on rows that contain information.
Object.defineProperty(Sheet.prototype, 'firstRowIndex',
get: function()
)
A zero-based index of the first row in the sheet that contains either data or formatting.
Understanding the position of the first non-empty row is crucial for a variety of sheet processing tasks, from data analysis to formatting adjustments. This property provides a direct means to efficiently navigate and manipulate the sheet's content from its initial point of data entry.