How does the calculation method for the S&P $500$ differ from that of the Dow Jones Industrial Average $($DJIA$)?$

The S&P $500$ is a price$-$weighted index, whereas the DJIA is a marketcapitalization$-$weighted index.

Both the S&P $500$ and the DIA are calculated based on the share price of the included companies.

The S&P $500$ is a market$-$capitalization$-$weighted index, whereas the DJA is a price$-$weighted index.