HTML5′ s new tag input type=’number’ I can enter characters in it, isn’t this tag meaningless?

  html5, question

HTML5′ s new tag input type=’number’ I can enter characters in it, isn’t this tag meaningless?

Number type, there will be up and down arrows on the right side of the standard control to adjust the value -1\+1 (this is the meaning of number existence ah ~); If pattern is used, it can be filtered.