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jQuery Selector not working right
原标题:

Okay, I cannot figure out what I m doing wrong here...

Take the following jQuery selector...

$( tr[batchid]:has(span.chkselb input:checked) span[id=assetcount] )

This returns 2 elements. Yet if I do the following selector:

$( tr[batchid]:has(span.chkselb input:checked) span#assetcount )

This returns 0 elements. Aren t these two selectors for all intents and purposes identical?
Or is there some strange interaction with the ":has" operator or something? I got it working with the first statement, but I m really curious why the second one (my original selector) doesn t work. Any insights?

最佳回答

$( tr[batchid]:has(span.chkselb input:checked) span[id=assetcount] ) shouldn t return two elements, as IDs have to be unique.

This suggests to me that you re re-using IDs, and I guess the first one you use doesn t match tr[batchid]:has(span.chkselb input:checked) so the second selector doesn t return any rows.

You should make the IDs unique.

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