Improve JS var parsing

[jdepoix]

refactored parsing of JS var to make it more robust to changes in the formatting of the returned HTML

[coveralls]

Pull Request Test Coverage Report for Build 14066964257

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
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• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

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Totals
Change from base Build 14052236428:	0.0%
Covered Lines:	555
Relevant Lines:	555

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💛 - Coveralls