jQuery one()Method

jQuery 事件方法jQuery Event Methods

Examples

When the <p> element is clicked, increase the text size of that element (each <p> element can only trigger the event once):

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

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Definition and Usage

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

When using the one() method, each element can only runoncethe event handler function.


Syntax

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

Parameter Description
event Required. Specifies one or more events to add to the element.

Separate multiple event values with spaces. Must be valid events.
data Optional. Specifies additional data to pass to the function.
function Required. Specifies the function to run when the event occurs.


jQuery 事件方法jQuery Event Methods

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