http://www.jq22.com/code1663 there is an address
there is a code
there is no such selector in jq
Working With Plain Objects (uses ordinary objects)
currently, only ordinary JavaScript objects wrapped in jQuery are:. Data (),. Prop (),. Bind (),. Unbind (),
. Trigger () and .triggerHandler (). Using .data () (or any method that returns .data (), a new property named jQuery {randomNumber} (such as jQuery123456789) is generated in a normal object.
I don't think the translation of this passage is very good, but the Demo below should be able to understand it.
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