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jQuery fadeIn() Method

❮ jQuery Effect Methods

Example

Fade in all <p> elements:

$("button").click(function(){
  $("p").fadeIn();
});
Try it Yourself »

Definition and Usage

The fadeIn() method gradually changes the opacity, for selected elements, from hidden to visible (fading effect).

Note: Hidden elements will not be displayed at all (no longer affects the layout of the page).

Tip: This method is often used together with the fadeOut() method.

Syntax

$(selector).fadeIn(speed,easing,callback)

Parameter Description
speed Optional. Specifies the speed of the fading effect. Default value is 400 milliseconds

Possible values:

  • milliseconds
  • "slow"
  • "fast"
easing Optional. Specifies the speed of the element in different points of the animation. Default value is "swing"

Possible values:

  • "swing" - moves slower at the beginning/end, but faster in the middle
  • "linear" - moves in a constant speed
Tip: More easing functions are available in external plugins
callback Optional. A function to be executed after the fadeIn() method is completed

To learn more about callback, visit our jQuery Callback chapter


Try it Yourself - Examples

fadeIn() - Using the speed parameter
How to use the speed parameter to specify the speed of the fading effect.

fadeIn() - Using the callback parameter
How to use the callback parameter when fading in and out an element.


❮ jQuery Effect Methods

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