JavaScript String Object

String object

The String object is used to manipulate a stored piece of text.
Examples of use:
The following example uses the length property of the String object to find the length of a string:

var txt="Hello world!"; document.write(txt.length);

The code above will result in the following output:

12

The following example uses the toUpperCase() method of the String object to convert a string to uppercase letters:

var txt="Hello world!"; document.write(txt.toUpperCase());

The code above will result in the following output:
HELLO WORLD!