String Object in Javascript

 String Object in Javascript

1) A JavaScript string stores a series of characters.

   for example "Pune university"

2)A string can be any text inside double or single quotes.

   for example "Pune university" or 'Pune university'

3)String indexes are zero-based:

   The first character is in position 0, the second in 1, and so on.

Property :

length:

  length property return the number of character in a string.

 for example

  var str="Mumbai";

  document.write("The Length is"+str.length);

 OUTPUT: 6

Method :

1)charAt()

2)indexOf()

3)lastIndexOf()

4)substr()

5)substring()

6)trim()

7)toLowerCase()

8)toUpperCase()

1)charAt()

            return the character at the specified position (in number).

  for example:

              var str = "HELLO WORLD";

           document.write("The character position is"+str.charAt(0));

  output :

  H

2)indexOf()

3)lastIndexOf()

4)substr()

5)substring()

6)trim()

7)toLowerCase()

8)toUpperCase()

let text = "HELLO WORLD";

let letter = text.charAt(0);