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Review: Good - script works

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Posted: 15.9.2024

I have a question.
example URL: https://detail.chiebukuro.yahoo.co.jp/qa/question_detail/q10150141230

Which selector is faster on "nextLink"?
#ans > div > div > div:nth-of-type(2) > div > [class*="ClapLv1Pagination_Chie-Pagination__Anchor--Next"]
#ans > div > div > div:nth-of-type(2) > div > a[class*="ClapLv1Pagination_Chie-Pagination__Anchor--Next"]
a[class*="ClapLv1Pagination_Chie-Pagination__Anchor--Next"]

Does this work like jquery?
Sorry but I am a beginner of programming.

Google translate

hoothinAuthor
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Posted: 16.9.2024

Fewer conditions generally lead to greater efficiency. Thus, No.3 may be the fastest, and fewer conditions are more likely to remain effective after changes to the document structure.

hoothinAuthor
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Posted: 16.9.2024

btw, browsers typically parse CSS selectors from right to left.

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Posted: 16.9.2024

Does browsers parse xpath from left to right?
Or Jquery?
css selector vs xpath vs jquery, Which is faster?
a[class*="ClapLv1Pagination_Chie-Pagination__Anchor--Next"]
vs.
//*[@id='ans']/div/div/div[2]/a[contains(@class, 'ClapLv1Pagination_Chie-Pagination__Anchor--Next')]

hoothinAuthor
§
Posted: 16.9.2024

Yes, browsers parse XPath from left to right. But in most modern browsers, CSS selectors can be more efficient than XPath, unless the document is very large and the "ID/#" is close to the target element.

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