Javascript-I want to obtain data such as data-status in h4, how should I write it in js code?

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$ ('. Operation h4'). click (function () {}), so that it does not need to be changed.

You have a problem with this code, your. OperationIt is a td element, and this element should be returned from the click operation.
The minimum change should be like this.

$ ('. Operation '). click (function () {var el = $ (this ). find ('h4 '); console. log (el. attr ('data-Status '));});

$ (This). find ("h4"). data ("status ")