23-12-2010
Eg: For converting the given string into upper case & Lower case:
<html>
<body>
<script type = "text/javascript">
<var name = "Microsoft">
document.write("Number of characters are " +name.length +"<br>")
document.write(name.toUpperCase() +"<br>")
document.write(name.toLowerCase() +"<br>")
</script>
</body>
</html>
Output: Number of characters are 9
MICROSOFT
microsoft
Eg: For searching string within the given string:
<html>
<body>
<script type = "text/javascript">
var city = "Hyera bad"
document.write(city.match("bad") +"<br>")
document.write(city.match("badh") +"<br>")
document.write(city.match("Bad") +"<br>")
document.write(city.match(" bad") +"<br>")
</script>
</body>
</html>
Output: bad
null
null
bad
Eg:For indexOf():
<html>
<body>
<script type = "text/javascript">
var city = "Hyera bad"
document.write(city.indexOf("bad") +"<br>")
document.write(city.indexOf("Hydera ") +"<br>")
document.write(city.match("Bad") +"<br>")
document.write(city.match(" bad") +"<br>")
</script>
</body>
</html>
Output: 7
0
Eg: For styles of strings:
1.big()
2.small()
3.bold()
4.Italic()
5.blink()
6.strike()
7.fontcolor("red")
8.fontsze(16)
9.sup()
10.sub()
11.link("http://www.microsoft.com")
<html>
<body>
<script type = "text/javascript">
var txt = "Microsoft Windows"
document.write(txt.big() +"<br>")
document.write(txt.small() +"<br>")
document.write(txt.bold() +"<br>")
document.write(txt.Italic() +"<br>")
document.write(txt.blink() +"<br>")
document.write(txt.strike() +"<br>")
document.write(txt.fontcolor("red") +"<br>")
document.write(txt.fontsize(16) +"<br>")
document.write(txt.sup() +"<br>")
document.write(txt.sub() +"<br>")
var mylink = "Visit Microsoft"
document.write(mylink.link("http://www.microsoft.com") +"<br>")
</script>
</body>
</html>
Date Object: Date is pre-defined java script object, it holds the current date & time information.
Eg: To display the current date & time by using date pre-defined object:
<html>
<body>
<script type = "text/javascript">
document.write(Date())
</script>
</body>
</html>
Output: THU DEC 22 19:35 2010
Synatax:to create a user defined date object:
var mydate = new Date()
(Here, "mydate" is a user defined date object and "Date()" is a pre-defined date object)
Eg: To display the current date & time by using user defined date object:
<html>
<body>
<script type = "text/javascript">
var mydate = new Date()
document.write(mydate)
</script>
</body>
</html>
Output: THU DEC 22 19:35 2010
Eg: To assign a particular date to user defined date object:
<html>
<body>
<script type = "text/javascript">
var mydate = new Date()
mydate.SetFullYear(2014,0,26)
document.write(mydate)
</script>
</body>
</html>
Output: SUN JAN 26 19:35 2010
SetFullYear: Using this pre-defined method we can assign some date to user define date object.
Syntax for SetFullYear:
<dateobeject>.SetFullYear(YYYY,MM,DD)
Eg: To add 15 days to current date:
<html>
<body>
<script type = "text/javascript">
var mydate = new Date()
mydate.setDate(mydate.getDate()+15)
document.write(mydate)
</script>
</body>
</html>
Output: FRI JAN 7 19:35:14 UTC+ 2011
setDate: Using this method we can add or set some date to date object.
getDate: This method will pick the only date from user defined date object.
Eg: To add 7 days to 2014, DEC 25
<html>
<body>
<script type = "text/javascript">
var mydate = new Date()
mydate.SetFullYear(2014,11,25)
mydate.setDate(mydate.getDate()+7)
document.write(mydate)
</script>
</body>
</html>
Output: mydate 2014, 11, 25
2015, 0, 1
Saturday, 2024-11-16, 10:27 AM
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