including javascript file and w3c validation

Question

I bought a template and in the main page, it included the javascript file as follow:

<script
    src="thefile.js?v=v1.9.6&sv=v0.0.1"></script>

As you can see there are two argument at the end of the file one is v which I assume is the version and sv which I don't know what is it. When I check the file in one of the w3c validator, It shows error and says that the " & did not start a character reference". Now I have two questions: First what is the sv stands for and second should I remove the & in the script to eliminate the error?

Change & to &

Valijon
– Valijon

2015-11-16 06:33:25 +00:00
Commented Nov 16, 2015 at 6:33 — Valijon
– Valijon, Commented Nov 16, 2015 at 6:33

Shailendra Sharma · Accepted Answer · 2015-11-16 07:36:52Z

1

The param ?v=v1.9.6&sv=v0.0.1 indicates a query string, and the browser will therefore think it is a new path from, say, ?v=v1.9.6&sv=v0.0.1. Thus causing it to load from file, not from cache. As you want.

And, the browser will assume that the source will stay the same next time you call ?v=v1.9.6&sv=v0.0.1 and should cache it with that string. So it will remain cached, however your server is set up, until you move to ?v=v1.9.7&sv=v0.0.2 or so on.

& is unrecognized char use its html code "&amp" to avoid errors as mentioned in comment

edited Nov 16, 2015 at 7:36

answered Nov 16, 2015 at 6:35

Shailendra Sharma

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2 Comments

Shadi Hariri Over a year ago

Thank you.And about sv, so I assume it is not a reference to something?

Shailendra Sharma Over a year ago

yes, sv might be a keyword which describe type of code in that js file

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