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jQuery fadeIn() Method

jQuery fadeIn() Method in jQuery is used to gradually changes the opacity of selected elements from hidden to visible (fading effect) means fade in the element.

Syntax:

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

Parameter Values

Parameter	Description
speed	It is an Optional parameter used to Specify the speed of the fading effect. Its Default value is 400 milliseconds Possible values: milliseconds "slow" "fast"
easing	It is an Optional parameter used to specify the speed of the element in different points of the animation. Its Default value is "swing" Possible values: "swing" – moves faster in the middle and slower in the beginning "linear" - moves with a constant speed Tip: More easing functions are available in external plugins
callback	It is an optional parameter. After the fadeTo() method is completed a function to be executed

Here is an Example of jQuery fadeIn() Method:


<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
<script>
$(document).ready(function(){
$(".btn1").click(function(){
$("h1").fadeOut();
});
$(".btn2").click(function(){
$("h1").fadeIn();
});
});
</script>
</head>
<body>
<h1>PHPTPOINT</h1>
<button class="btn1">Fade out</button>
<button class="btn2">Fade in</button>
</body>
</html>

Output:

PHPTPOINT

Example 2:


<html>  
<head>  
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>   
<script>  
$(document).ready(function(){  
$("button").click(function(){  
$("#div1").fadeIn();  
$("#div2").fadeIn("slow");  
$("#div3").fadeIn(3000);  
});  
});  
</script>  
</head>  
<body>  
<button>Click me</button><br><br>  
<div id="div1" style="width:80px;height:80px;display:none;background-color:blue;"></div>  
<div id="div2" style="width:80px;height:80px;display:none;background-color:orange;"></div>  
<div id="div3" style="width:80px;height:80px;display:none;background-color:hotpink;"></div>  
</body>  
</html>

Output:

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