Why in the script, what is its function?

There is code affiliate program can you explain to me what features it has ?
<!--noindex--><script type="text/javascript" class="amfs" src="//x.mobalert.net/fs.php?s=79849&tr=50&cr=7&to=1&acl=60&scr=0&tok=1&tcl=1&al=c&n=0"></script><!--/noindex-->

And why specifically is there class ? He performs
June 10th 19 at 15:29
1 answer
June 10th 19 at 15:31
Most likely in order to delete the tag after the necessary actions will be carried out.

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