String Methods:
we have 8 types of string methods.

• String length
• String Index
• Search for a string in a word
• Substring
• String replace
• String case lowercase and uppercase
• String trim
• String cut

1. String length():

• The Length property returns the length of a string.
• Syntax: var name="string";
•               var name2=name.length;

2. String Indexof():

•  It will return the index of the first occurrence of a specified text in a string.
• Syntax: var str="string";
•              var pos=str.indexof("string part");

second method:

•  Last IndexOf():It will return the index of the last occurrence of a specified text in a string.
•  Syntax:var str="string";
•              var pos=str.lastIndexOf("string part");

3. Search():

• It will search a sting a string for a specified value and returns the position of the match.
• Syntax: var str="string";
•              var pos=str.search("string part");

4. Substring:

• It will extract a string and returns the extracted part in a new string.
• It will not accept negative vakues.

5. Replace():

• It will replace a specified value with another value.
• Syntax: var str="string";
•              var pos=str.replace("string part");

6.String.trim():

•  It wil removes the whitespace from both sides of a string.

7. String case lowercase and uppercase:

• It will convert from lower case to upper case and from upper case to lower case.
• to.LopwerCase:It will convertg into lower case.
• to.Upper:It will convert into uppercase.

EX:

Code:

OUTPUT: