how to hide the content between the div ?

how to hide the content between the div ?

I have the html code such as:

<div class='one'></div>

this is some content
this is some content
this is some content
this is some content
this is some content

<div class='two'></div>

Now the html can not changed. I would like to hide the content between <div class='one'></div> and <div class='two'></div> .

Can u tell me how to do it? Thx u !!