Misc selectors

Xpath CSS
//h1[not(@id)] h1:not([id])
//button[text()="Submit"] Text match
//button[contains(text(),"Go")] Text contains (substring)
//product[@price > 2.50] Arithmetic
//ul[*] Has children
//ul[li] Has children (specific)
//a[@name or @href] Or logic
//a | //div Union (joins results)
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