Recursion for Coding Interviews in JavaScript/

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Solution Review: Length of a String

Solution Review: Length of a String

This review provides a detailed analysis of the solution to find the length of a string recursively.

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Solution: Using Recursion

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function recursiveLength(testVariable) { 	
	// Base case	
	if (testVariable === "") {
		return 0;
  }
	// Recursive case
	else {
		return 1 + recursiveLength(testVariable.substr(1)); 
  }
}
	
// Driver Code 
testVariable = "Educative";
console.log(recursiveLength(testVariable));

Explanation

In Javascript it is preferable to use .length function for finding the length of a string. However, this exercise is meant as practice. Here we teach how to find the length of a string recursively. Also, this ...