`dataFrame.column — insertBefore()`

Description

The insertBefore() method of the column object repositions the selected column immediately before the specified column.

Signature

dataFrame.column(sourceColumnName).insertBefore(targetColumnName)

Scope: dataFrame
Family: column
Returns: mutates

Arguments

sourceColumnName (string): The name of the column to be placed.
targetColumnName (string): The name of the column before which the selected column will be placed.

Example

// insert the 'revenue' column of the dataFrame before the 'old revenue' column
dataFrame.column('revenue').insertBefore('old revenue');