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Alert, Confirm, and Prompt boxes in Javascript

Posted by Unknown Sabtu, 15 Februari 2014 0 komentar

The three "commands" involved in creating alert, confirm, and prompt boxes are:

window.alert() :This command pops up a message box displaying whatever you put in it.

 
<body>
<script type="text/javascript">
window.alert("Iam an alert box!!!")
</script>
</body>

window.confirm():Confirm is used to confirm a user about certain action, and decide between two choices depending on what the user chooses.

 
<body>
<script type="text/javascript">
var x=window.confirm("Are you sure?")
if (x)
window.alert("Yes!")
else
window.alert("No")
</script>
</body>

window.prompt():Prompt is used to allow a user to enter something, and do something with that info:

 
<body>
<script type="text/javascript">
var y=window.prompt("Enter your name here...")
window.alert(y)
</script>
</body>