Course Content

Course Content


The hash size() method is used to calculate the number of items in an array. The code below calculates the number of items in an array and prints it out.

  • var myArray = ["a", "b", "c"];
  • var size = myArray.length;
  • console.log("There are " + size + " items in myArray");

The hash size() method is used to calculate the number of bytes in a given string. This can be done by taking the hash code and dividing it by two. The remainder is the number of bytes in the string.

The benefits of using Hash include:

  • Increased productivity: Hash can be used for any kind of task which means you can use one language for everything you do which saves a lot of time and effort.

We'll utilise two sorting methods in Ruby to sort a hash without requiring special algorithms: sort and sort_by. We may sort the values in a hash by various parameters using the built-in methods.

  • Hash.length() is the syntax
  • Hash values are a parameter.
  • The number of key-value pairs in the hash is returned.

Share With Friend

Have a friend to whom you would want to share this course?

Download LearnVern App

App Preview Image
App QR Code Image
Code Scan or Download the app
Google Play Store
Apple App Store
598K+ Downloads
App Download Section Circle 1
4.57 Avg. Ratings
App Download Section Circle 2
15K+ Reviews
App Download Section Circle 3
  • Learn anywhere on the go
  • Get regular updates about your enrolled or new courses
  • Share content with your friends
  • Evaluate your progress through practice tests
  • No internet connection needed
  • Enroll for the webinar and join at the time of the webinar from anywhere