javascript - What is a reasonable procedure for figuring where a certain line of code on a wordpress site comes from? -

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i have specific example question, question more general. in example, wordpress site has line of code, in header:

<script src="http://s.ytimg.com/yts/jsbin/www-widgetapi-vfld_dur5.js" async=""></script>

where should 1 figure out plugin/script/file responsible line?

search part or of string in site's source using favorite editor's "find in project" feature. there aren't many occurrences of vfld_dur5 in wp...


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