JavaScript Program to Determine the Length of an Array – Use Cases

1. Using length Property

Here, we have used the length() property to determine the length of an array....

2. Using for of and for in loop

Here, we will use the for of and for in loop and traverse each element of array and will increase size variable on each iteration by one....

3. Using reduce() function

Here, we will use the reduce function with the array to determine the length....

4. Using Object.keys() method

The Object.keys() method in JavaScript is used to retrieve an array of the enumerable property names of an object. It returns an array containing the keys of the object....

5. Using the spread Operator:

The spread operator (…) can determine the length of an array by spreading its elements into a new array and then accessing the length property of the new array. This concise approach simplifies counting array elements in JavaScript....

JavaScript Program to Determine the Length of an Array – Use Cases:

Below are the Use case for JavaScript Program to Determine the Length of an Array:...