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jQuery one() Method

jQuery Event Methods jQuery Event Methods

Example

Increase the text size of a <p> element when it is clicked (the event will only trigger once for each <p> element):

$("p").one("click",function(){
  $(this).animate({fontSize:"+=6px"});
});

Try it yourself »

Definition and Usage

The one() method attaches one or more event handlers for the selected elements, and specifies a function to run when the event occurs.

When using the one() method, the event handler function is only run ONCE for each element.


Syntax

$(selector).one(event,data,function)

Parameter Description
event Required. Specifies one or more events to attach to the elements.

Multiple event values are separated by space. Must be a valid event.
data Optional. Specifies additional data to pass along to the function
function Required. Specifies the function to run when the event occurs


jQuery Event Methods jQuery Event Methods


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