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:
- 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:
- 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= "https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"> </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= "https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"> </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:
