The slideDown() method is used to slide down a hidden HTML element. You can add a speed parameter fast, slow or milliseconds to specify the speed of sliding down the element.
This example slides down a hidden image.
<!DOCTYPE html>
<html>
<head>
<script>
$("#btn1").click(function(){
        $("#twin1").slideDown("slow");
    });
});
</script>
</head>
<body>
<button id="btn1">Click to slide down in the hidden image</button><br>
<img id="twin1" src="twin.jpg" style="display:none; width:50%; height:auto">
</body>
</html>
The slideUp() method is used to slide up an element. You can add the speed parameter fast, slow or milliseconds to specify the sliding speed.
<!DOCTYPE html>
<html>
<head>
<script>
$(document).ready(function(){
   $("#btn2").click(function(){
        $("#twin2").slideUp(3000);
    });
});
</script>
</head>
<body>
<button id="btn2">Click to slide up the image</button><br>
<img id="twin2" src="twin.jpg" style="width:50%; height:auto">
</body>
</html>
 
The jQuery slideToggle() method toggles between the slideDown() and the slideUp() methods. You can add speed parameter 'slow', 'fast' or milliseconds to specify the sliding speed
<!DOCTYPE html>
<html>
<head>
<script>
$(document).ready(function(){
    $("#btn3").click(function(){
        $("#twin3").slideToggle(4000);
    });
});
</script>
</head>
<body>
<button id="btn3">Click to slide down and slide up the image</button><br>
<img id="twin3" src="twin.jpg" style="display:none; width:50%; height:auto">
</body>
</html>
You can use the stop() method to stop the sliding action. In fact, it is be used to kill any jQuery animation.
<!DOCTYPE html>
<html>
<head>
<script>
$(document).ready(function(){
    $("#btn4").click(function(){
        $("#twin4").slideUp(4000);
    });
	  $("#btn5").click(function(){
        $("#twin4").stop();
    });
});
</script>
</head>
<body>
<button id="btn4">Click to slide up the image</button>
<button id="btn5">Click to stop sliding</button><br>
<img id="twin5" src="twin.jpg" style="display:none; width:50%; height:auto">
</body>
</html>
 
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