jQuery Data - removeData() Method

jQuery Data Reference Manual

Example

Remove previously added data from the element:

$("#btn2").click(function(){
  $("div").removeData("greeting");
  alert("Greeting is: " + $("div").data("greeting"));
});

Try It Yourself

Definition and Usage

removeData() method removes data previously set using the data() method.

Syntax

$(selector).removeData(name)
Parameter Description
name

Optional. Specifies the name of the data to be removed.

If no name is specified, the method will remove all stored data from the selected element.

jQuery Data Reference Manual