Observer pattern The observer pattern is a software design pattern in which an object, named the subject, maintains a list of its dependents, called observers, and notifies them automatically of any state changes, usually by calling one of their methods. It is mainly used for implementing distributed event handling systems, in “event driven” software. In …
Strategy pattern The strategy pattern (also known as the policy pattern) is a behavioral software design pattern that enables selecting an algorithm at runtime. Instead of implementing a single algorithm directly, code receives run-time instructions as to which in a family of algorithms to use. Strategy lets the algorithm vary independently from clients that use …
Template method pattern The template method is a method in a superclass, usually an abstract superclass, and defines the skeleton of an operation in terms of a number of high-level steps. These steps are themselves implemented by additional helper methods in the same class as the template method. The helper methods may be either abstract …
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Adapter design pattern The adapter pattern is a software design pattern (also known as wrapper, an alternative naming shared with the decorator pattern) that allows the interface of an existing class to be used as another interface. It is often used to make existing classes work with others without modifying their source code. An example …
The Decorator Pattern, Adapter Pattern, Template Method Pattern, Strategy Pattern, Observer Pattern Decorator design pattern In object-oriented programming, the decorator pattern is a design pattern that allows behavior to be added to an individual object, dynamically, without affecting the behavior of other objects from the same class. The decorator pattern is often useful for adhering …
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Convert string into an url slug using javascript
Sort an array using javascript
A laravel movie search application using Vue JS, Vue Composition API and OMDBAI API. OMDBAI is used to fetch the movies data from https://www.omdbapi.com/ Requirements Installation You will need to gety API key from the OMDb API and update in /resources/js/components/movieapi/movie-api.js file Once you are done with the above steps, now its time to start building the movie …
Make every first letter of a word capitalized
Convert Celsius to Fahrenheit using javascript
Create below three files in a folder index.html app.js style.css We will be using Vue js CDN version 3.0.5<script src=”https://unpkg.com/[email protected]″></script> First we will create index.html with below code. In this code id=”app” will display the output based on the Vue components. Now create vue app using below code and print “Hello World!!” Now you can run …
Here we are creating a questions.js file in which we will declare an array of questions and user will be prompted to provide the answers. Then we will display the out on console. To run the javascript file, please install nodejs and run node questions command.
Fizz Buzz Print the numbers from 1 to 100. Multiples of three print “Fizz” with the number and for the multiples of five print “Buzz” with the number. If number is multiples of both three and five display “FizzBuzz” and number.
Recursion to generate range of numbers
Create permutations for an array using javascript
Create combinations of an array using javascript
create laravel RegisterTest class using below artisan command: Now run below command: