What are the chords in e major scale

The E major chord comprises the notes E, G#, and B. 

Now let's see the degrees and notes:
Degree: 1  2  3  4  5  6  7  1
Note:   E  F# G# A  B  C# D# E

The scale has the following chords: 

E major F# minor G# minor A major B major C# minor D#dim

here is the major scale chord format:

I = major,  ii = minor, iii = minor, IV = major, V = major, vi = minor, vii = diminished

Here are the most popular  chord progressions 

I-IV-V E-A-B
I-IV-I-V E-A-E-B
I-V-vi-IV E-B-C#m-A
I-ii-IV-V E-F#m-A-B
I-vi-ii-V E-C#m-F#m-B
I-vi-IV-V E-C#m-A-B