No, this is nowhere near the 3JS. The song of the 3JS overall has more depth to it, the music is more grown-up and the lyrics are more profound and poetic.
First I gave it (the Danish entry) a # 8 position in my personal top 10 so far but then:
A. I thought it reminds me a lot of a UK indie pop song in the early 1990s that sounds almost exactly the same. I can't remember the name of that song and of the band but it had almost exactly the beat and rhythm (especially the drum accords).
B. It struck me that it's a bit like a 'slow version' of James - Sit down
C. Then I discovered Andreas Johnson - Sing for me
http://www.youtube.com/watch?v=UssxqXBpKbU
D. And now I see that it's also similar to
http://www.youtube.com/watch?v=tNOIG9TAgv0
So I must say I'm a bit disappointed in this entry. I can accept 20-30% similarity, but this is clearly TOO similar (over 50%) to already existing songs, so in my opinion they don't deserve a lot of points for originality.
Still for me it's a bit better than (say) Poland's, Romania's and Malta's entries that sound like Hundreds of other songs made in the past 10 years (Poland and Malta) or even past 25 years (Romania).