jQuery fadeIn() Method
The fadeIn() method in jQuery is used to change the opacity of selected elements from hidden to visible. The hidden elements will not be display.
Syntax:
$(selector).fadeIn( speed, easing, callback )
Parameters: This method accepts three parameters as mentioned above and described below:
- Speed: It is an optional parameter and used to specify the speed of the fading effect. The default value of speed is 400 millisecond. The possible value of speed are:
- milliseconds
- “slow”
- “fast”
- Easing: It is an optional parameter and used to specify the speed of element to different points of animation. The default value of easing is “swing”. The possible value of easing are:
- “swing”
- “linear”
- Callback: It is optional parameter. The callback function is executed after fadeIn() method is completed.
Example 1: This example describes fadeIn() method with speed 1000 milliseconds.
HTML
<!DOCTYPE html> < html > < head > < script src = </ script > < title > fadeIn() Method in jQuery </ title > < style > #Outer { border: 1px solid black; padding-top: 40px; height: 140px; background: green; display: none; } </ style > </ head > < body style = "text-align:center;" > < div id = "Outer" > < h1 style = "color:white;" > GeeksForGeeks </ h1 > </ div >< br > < button id = "btn" > Fade In </ button > <!-- jQuery script of fadeIn() method --> < script > $(document).ready(function () { $("#btn").click(function () { $("#Outer").fadeIn(1000); }); }); </ script > </ body > </ html > |
Output:

Example 2: This example describes fadeIn() method with easing “swing”.
HTML
<!DOCTYPE html> < html > < head > < script src = </ script > < title > fadeIn() Method in jQuery </ title > < style > #Outer { border: 1px solid black; padding-top: 40px; height: 140px; background: green; display: none; } </ style > </ head > < body style = "text-align:center;" > < div id = "Outer" > < h1 style = "color:white;" > GeeksForGeeks </ h1 > </ div >< br > < button id = "btn" > Fade In </ button > <!-- jQuery script of fadeIn() method --> < script > $(document).ready(function () { $("#btn").click(function () { $("#Outer").fadeIn("swing"); }); }); </ script > </ body > </ html > |
Output:
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