How to Change 2 Onclick Button Tobe 1 Button

Question

Im working out with this Onclick Button

The Question is how to make that 2 button be 1 button

<a class="btn btn-primary" onClick="document.getElementsByClassName('player-embed')[0].style.width='70%';">
     Normal Views
</a>
<br>
<br>
<a class="btn btn-primary"  onClick="document.getElementsByClassName('player-embed')[0].style.width='100%';">
    Theater Views
</a>

Answer 1

use a function with the parameters you are demanding to change. such as the width. then call that function from onClick.