Add a java script code

Hello,

How can I add a java script code in a new page and post?

my jscript code:

<script type=”text/javascript”>var embedBaseUrl = ‘https://www.sterktv.net/&#8217;;var embedVideoId = 5442;var embedSize = [425,351];var embedAutoplay = false;</script><script type=”text/javascript” src=”https://www.sterktv.net/assets/js/embedVideo.js”></script&gt;

thanks for your supports..