Different JavaScript examples:

**PerryCollins** · 04-27-2010, 12:57 PM

Mouse-over effects

Use this code to display a message in the status area of the web browser when a mouse hovers over a hypertext link.

Code:

<a href="mypage.html"
onMouseOver="window.status='The message'; return true" 
onMouseOut="window.status=''; return true" >
the text of the link</a>

**SmithJohnson** · 04-27-2010, 12:58 PM

Popup Window

Code:

<script type="text/JavaScript">
// Popup window code
function newPopup(url) {
	popupWindow = window. open(
		url,'popUpWindow','height=700,width=800,left=10,top=10,resizable=yes,scrollbars=yes,toolbar=yes,menubar=no,location=no,directories=no,status=yes')
}
</script>

**Williamsjones** · 04-27-2010, 01:00 PM

Display the date and time.

Code:

<script type="text/JavaScript">
<!--
document. write(Date())
//-->
</script>

**Brownchris** · 04-27-2010, 01:02 PM

JavaScript Frame Escape

This code makes a page jump out of a frame. It helps stop other sites framing a page.

Code:

<script language="JavaScript" for="window" event="onLoad()">
if (top.location != location) {
top.location = "index.html";
}
</script>

**SmithJohnson** · 04-28-2010, 12:56 PM

Confirmation Boxes

Code:

<script language="javascript">
  var result = confirm("Would you like to go at Home Page");
  if(result){
  	alert ("You Pressed Ok.. ");
  	window. open("http://www.techfuels.com","_blank");
  }else{
  	alert ("You Pressed Cancel.. ");  
  }
</script>

**TorresScott** · 05-14-2010, 01:38 PM

For special character

Code:

var iChars = "!@#$%^&*()+=-[]\\';,./{}|":<>?";

  for (var i = 0; i < document.formname.fieldname.value.length; i++) {
  	if (iChars.indexOf(document.formname.fieldname.value.charAt(i)) != -1) {
  	alert ("Special character not allowed.");
  	return false;
  	}
  }

**BrooksGray** · 05-18-2010, 02:47 PM

JavaScript for alert box:

Code:

<html>
<head>
<script type="text/javascript">
function show_alert()
{
alert("welcome to techfuels.com!");
}
</script>
</head>
<body>
<input type="button" onclick="show_alert()" value="Show alert box" />
</body>
</html>

**CollinsBrown** · 05-29-2010, 12:03 PM

JavaScript for radio button checked

Code:

function valbutton(thisform) {
// place any other field validations that you require here
// validate myradiobuttons
myOption = -1;
for (i=thisform.myradiobutton.length-1; i > -1; i--) {
if (thisform.myradiobutton[i].checked) {
myOption = i; i = -1;
}
}
if (myOption == -1) {
alert("You must select a radio button");
return false;
}

alert("You selected button number " + myOption
+ " which has a value of "
+ thisform.myradiobutton[myOption].value);

// place any other field validations that you require here
thisform.submit(); // this line submits the form after validation
}

**DavisNelson** · 05-29-2010, 12:04 PM

javascript for dropdownlist in asp.net

Code:

<Script>
function FilterStatus()
{
var drpFilterType = document.getElementById("drpFilterType");
var selectedFilterType = drpFilterType
..options[drpFilterType.selectedIndex].value;
if (selectedFilterType == "MonthFilter")
{
document.getElementById("drpMonthFilter").style.vi sibility="visible";
document.getElementById("drpYearFilter").style.vis ibility="visible";
}
else if (selectedFilterType == "YearFilter")
{
document.getElementById("drpMonthFilter").style.vi sibility="hidden";
document.getElementById("drpYearFilter").style.vis ibility="visible";
}
else if (selectedFilterType == "All")
{
document.getElementById("drpMonthFilter").style.vi sibility="hidden";
document.getElementById("drpYearFilter").style.vis ibility="hidden";
}
}
</script>

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