Its use for hint of input text field
like water mark of Ajax. i.e.
Live demo example http://embed.plnkr.co/5hIPdx/preview
Live demo example http://embed.plnkr.co/5hIPdx/preview
Example in detail as given below.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<link rel="stylesheet" href="style.css" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.4.6/angular.min.js">
</script>
</head>
<body>
<p>HTML5 input text
placeholder</p>
<form>
<div>
<div>
<input type="text" name="txtName" placeholder="Enter
Name"
class="tb8">
</div>
<br />
<div>
<input type="text" name="txtAddress" placeholder="Enter
Address"
class="tb8">
</div>
<br />
<input type="submit" value="Submit" class="fb9">
</div>
</form>
</body>
</html>