Creating custom JavaScript alert

Simple JavaScript alert that you usually call like this alert("Hai!"); may be little bit boring. So here come an idea to create custom alert that you can style it as you wish.

Here is the code and give it a try:

<!DOCTYPE html>
<html>
	<head>
		<title>Custom JavaScript Alert</title>
		<style>
			#ca{
				position: fixed;
				left: 60px;
				right: 60px;
				bottom: 60px;
				padding: 20px;
				background-color: red;
				color: white;
				border-radius: 20px;
				text-align: center;
				display: none;
			}
		</style>
	</head>
	<body>
		<div id="ca">Hi There!</div>
		<button onclick="simpleAlert()">Alert</button>
		<button onclick="customAlert()">Custom Alert</button>
		<script>
			function simpleAlert(){
				alert("Hi there!");
			}
			function customAlert(){
				document.getElementById("ca").style.display = "block";
				setTimeout(function(){
					document.getElementById("ca").style.display = "none";
				}, 1000);
			}
		</script>
	</body>
</html>

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