The recursive function calls itself with some base condition. Let’s say the following is our array with marks −
var listOfMarks=[56,78,90,94,91,82,77];
Following is the code to get the count of array elements −
Example
function countNumberOfElementsUsingRecursive(listOfMarks) { if (listOfMarks.length == 0) { return 0; } return 1 + countNumberOfElementsUsingRecursive(listOfMarks.slice(1)); } var listOfMarks=[56,78,90,94,91,82,77]; console.log("The array="); console.log(listOfMarks); var numberOfElements=countNumberOfElementsUsingRecursive(listOfMarks); console.log("The Number of elements = "+numberOfElements);
To run the above program, you need to use the following command −
node fileName.js.
Here, my file name is demo110.js.
Output
This will produce the following output −
PS C:\Users\Amit\JavaScript-code> node demo110.js The array=[ 56, 78, 90, 94, 91, 82, 77 ] The Number of elements = 7