Just that in John we see Jesus as the Word of God. As trinitarians, we believe the Word was God. (Is.)
We also call Scripture the word of God. But it is not the same Word as Jesus.
If we equate the two or conflate the two, we can fall into error.
We differ from Islam in how we believe our Scriptures were created. It's an important difference.
Where do you get your beliefs? You make them up as you go along?