How to get the last character of a string in JavaScript?

Given a string of size len, the task is to get the last character of a string. There are many methods to solve this problem some of them are discussed below:

Method 1: Using charAt() function: This function returns the character at given index.

Syntax:

character = str.charAt(index)

First count number of characters in a given string by using str.length function. Since the indexing starts from 0 so use str.charAt(str.length-1) to get the last character of string.

Example:



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<!DOCTYPE html>
<html>
  
<head>
    <title>
        Get the last character
        of a string
    </title>
</head>
  
<body>
    <h3>Given String: GeeksforGeeks</h3>
      
    <p>
        Click on button to display the
        last character
    </p>
      
    <button onclick="myGeeks()">
        Click Here!
    </button>
      
    <p id="GFG" style="font-size:30px; color:green;"></p>
      
    <!-- Script to return the last character of string -->
    <script>
        function myGeeks() {
            var str = "GeeksforGeeks";
            var res = str.charAt(str.length-1);
              
            document.getElementById("GFG").innerHTML
                    = res;
        }
    </script>
</body>
  
</html>                    

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Output:


    

  • Before Clicking on the button:
    

    • 

  • After Clicking on the button:
    


    • 



Method 2: Using str.slice() function: The string.slice() function is used to return a part or slice of the given input string.


Syntax:


str.slice(startingindex, endingindex)


Example: This example uses slice() function to get the last character of string.











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<!DOCTYPE html> 


<html> 


  


<head> 


    <title> 


        Get the last character 


        of a string 


    </title> 


</head> 


  


<body> 


    <h3>Given String: GeeksforGeeks</h3> 


      


    <p> 


        Click on button to display the 


        last character 


    </p> 


      


    <button onclick="myGeeks()"> 


        Click Here! 


    </button> 


      


    <p id="GFG" style="font-size:30px; color:green;"></p> 


      


    <!-- Script to return the last character of string -->


    <script> 


        function myGeeks() { 


            var str = "GeeksforGeeks"; 


            var res = str.slice(-1); 


              


            document.getElementById("GFG").innerHTML 


                    = res; 


        } 


    </script> 


</body> 


  


</html>                     



















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Output:


    

  • Before Clicking on the button:
    

    • 

  • After Clicking on the button:
    


    • 



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