jquery determines whether radio selects and gets the sample code for the selected value

Other functions on radio operations are added later. Directly on the code, don't forget to refer to the jquery package

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User comments: Var boolcheck=$ (' Input:radio[name= "Sex"]). Is (": checked"); Better, this method is more concise

Is () detects the collection of matching elements based on selectors, elements, or JQuery objects, and returns true if at least one of those elements matches the given argument.

If you save garbled, here is recommended to use notepad++ processing.