escape backslash in getTargetArray method

[rnons]

it's a rare case, but if data-tip contains backslash, getTargetArray or more specifically querySelectorAll won't find the element

[rnons]

@wwayne can you take a look a this? Thanks

[huumanoid]

Hey @rnons sorry for long response.
Thank you for this interesting case and patch for it! I think your PR looks fine.

How about to make this PR more general?

According to [https://www.w3.org/TR/html5/dom.html#the-id-attribute](HTML5 specification), the id could contain any character except space characters.

I see another case: when "id" contains double quotation mark, document.querySelectorAll("[data-for="hello"world!"]" won't find anything.
We should escape " too: document.querySelectorAll("[data-for="hello\\"world!"] (success!)

Any other cases? Please, tell me, if you find one!

[rnons]

@huumanoid updated

[huumanoid]

Thanks! Looks good!
@wwayne I think this can be safely merged, please, take a look.

[wwayne]

@huumanoid Sure, will do today, thanks @rnons

[wwayne]

Merged and released as 3.2.9, it should be 3.2.8, but some error happened when I did npm publish and I was not sure if it was published successfully... So I release a new version for safe