jQuery one() Method

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# jQuery one() Method

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

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