Rishitha Dilshan

May 15

Modern JavaScript Concepts

Template Literals To wrap a string literal before ES6, you used single (‘) or double (“) quotes. Furthermore, the strings’ functionality is severely restricted. ES6 template literals give a syntax for working with strings that is safer and cleaner, allowing you to address more complicated problems. In ES6, you make…

Modern Javascript

3 min read

May 15

Java Script callbacks and promises

Callbacks — Functions are objects in JavaScript. As a result, we can send objects as parameters to functions. Functions can also be passed as parameters to other functions and called from within the outer functions. As a result, a callback function is a function that is sent to another function. …

Callback

4 min read

May 14

React Usestate and Props

In this blog, I am going to explain props and usestaes using a simple example. Props Props are used to pass data and event handlers to its children component. Props cannot be changed once they are set. It can be used in both functional and class components. …

React

3 min read

May 13

Create Google map with a marker using react

This tutorial describes how to add a google map and a marker using react google map. First of all, we need to get the API key for google map. Go to https://console.cloud.google.com/ Create an account providing your details. After that, we have to create a new project. Navigate to the…

Google Map

2 min read

Feb 25

Basic MongoDB Commands

In this article, I am going to describe essential Mongodb commands for absolute beginners. Before jumping into commands, we should know the background information of MongoDB. Quick overview of MongoDB MongoDB is a document-based , no sequel(NoSQL) database. It represents a hierarchical relationship using a single record. MongoDB is schemaless which means unlike SQL…

3 min read