There is also the option:

• Select both edges
• CtrlE > 'Bridge Edge Loops', with 'Merge' checked.

The 'Merge' option will remain checked for repetitions of the operation.

If 'Loop Pairs' is also checked, the move can be made on multiple pairs of edges simultaneously.

There is also the option:

• Select both edges
• CtrlE > 'Bridge Edge Loops', with 'Merge' checked.

The 'Merge' option will remain checked for repetitions of the operation.

If 'Loop Pairs' is also checked, the move can be made on multiple pairs of edges simultaneously.