TypeScript | Array reduceRight() Method

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The Array.reduceRight() is an inbuilt TypeScript function which is used to apply a function against two values of the array as to reduce it to a single value in a right to left manner.
Syntax:

array.reduceRight(callback[, initialValue])

Parameter: This method accept two parameter as mentioned above and described below:

callback : This parameter is the Function to execute on each value in the array.
initialValue : This parameter is the Object to use as the first argument to the first call of the callback.

Return Value: This method returns the reduced right single value of the array.
Below examples illustrate the Array reduceRight() method in TypeScript

Example 1:

JavaScript

<script> 
    // Driver code 
    var arr = [ 11, 89, 23, 7, 98 ];  
  
    // use of reduceRight() method  
    var val = arr.reduceRight(function(a, b) 
    {  
        return a - b;  
    }); 
       
    // printing element 
    console.log( val ); 
</script>

Output:

-32

Example 2:

JavaScript

<script> 
    // Driver code 
    var arr = [2, 5, 6, 3, 8, 9];  
    var val; 
   
    // use of reduceRight() method  
    val = arr.reduceRight(function(a, b) 
    {  
        return a/b;  
    }); 
       
    // printing element 
    console.log( val ); 
</script>

Output:

0.00625

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