The alert() Alternative

Javascript Tutorials

Tutorial

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The normal alert:

<script type="text/javascript">
alert("Hey Ho!");
</script>

The more useful alert:

<script type="text/javascript">
if(confirm("This is an adult website\n\nIf you are below 18 click OK")){
window.location = "http://alternatewebsite.com";
}else{
window.location = "actualpage.html";
}
</script>

The more useful alert uses the if-else operator integrated with the confirm() function. The OK button for the confirm() alert means a positive answer to the message.

The else{} section is your alternate action should the criterion (you require) isn't applicable to your message.

NOTE:

\n = returns a newline break

window.location = redirects the current page to the desired page

window.open("file.html") = opens a new window

false; = returns no action

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Tutorial Details

Author birdman View profile
Submitted on Mar 30, 2006
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