This is the simple demonstration in JavaScript how to create watermark text for
textbox control. This requirement is the mostly used in web application.
Here the given codes to create the watermark text for textbox control.
For Example:
<head runat="server">
<title>Sample for Watermark Text Using JavaScript</title>
<script
language="javascript"
type="text/javascript">
function FuncWaterMark(txtEmail, event) {
var strVal =
"Enter EmailID Here";
//Here to check textbox length and event
type
if (txtEmail.value.length == 0 &
event.type == "blur") {
txtEmail.style.color = "Gray";//setting text color
txtEmail.value = strVal; //setting default
text in textbox
}
// Here to check textbox value and event
type
if (txtEmail.value == strVal & event.type
== "focus") {
txtEmail.style.color = "black";
txtEmail.value = "";
}
}
</script>
</head>
<body>
<form
id="form1"
runat="server">
<div>
<b>Email ID:</b>
<asp:TextBox
ID="txtEmailID"
runat="server"
Text="Enter EmailID
Here" ForeColor="Gray"
onblur="FuncWaterMark(this,
event);" onfocus="FuncWaterMark(this,
event);" />
</div>
</form>
</body>
</html>
Output:
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