Messaging JavaScript Decentralized App Development for NEAR | Udemy

Show all messages from contract in React dapp

What you'll learn
01 Set up chat dapp with Create Near App
02 Add message to chat smart contract with TypeScript
03 Get latest messages added to chat contract
04 Store multiple properties in an object
05 Count values in array in TypeScript smart contract
00 Set up blank React dapp template
01 Show all messages from contract in React dapp
02 Format messages in dapp with React Bootstrap
03 Set message style based on sender
01 Build a form to submit data to NEAR contract
02 Send message from dapp to smart contract
03 Show total number of messages

What is the NEAR blockchain?

built to be simple, secure and scalable.

Low cost. High speed. Effortless scale.

<0.01USD Transaction Cost

18M+ Active Accounts

400K Daily Transactions

~2.4s Time to Finality

Contracts, DAOs, dapps, funding

Layer 1 blockchain

not dependent on other chains.

uses a unique scaling mechanism

Nightshade sharding

Scales infinitely

resists short-term usage spikes

Proof of stake

More efficient than Bitcoin and Ethereum

web-based wallet

no need for users to install programs or browser extensions

makes it especially easy to onboard new users (e.g. through named accounts)

Certified carbon neutral

consumes in a year the same energy bitcoin consumes in 3 minutes

Interoperable with Ethereum

using Rainbow Bridge

Your Instructor

Alexandra Kropova is a software developer with extensive experience in smart contract and decentralized app development. She has helped produce courses for Mammoth Interactive since 2016, including many blockchain and Web3 courses.

Mammoth Interactive is a leading online course provider in everything from learning to code to becoming a YouTube star. Mammoth Interactive courses have been featured on Harvard's edX, Business Insider and more.

Over 11 years, Mammoth Interactive has built a global student community with 1.1 million courses sold. Mammoth Interactive has released over 250 courses and 2,500 hours of video content.

Founder and CEO John Bura has been programming since 1997 and teaching since 2002. John has created top-selling applications for iOS, Xbox and more. John also runs SaaS company Devonian Apps, building efficiency-minded software for technology workers like you.

Join 1.3+ million students in high-quality courses featured at Harvard

Lifetime access that never expires

Project-based curriculum to superboost your portfolio

Graduation certificate for every course

Absolute beginner-friendly

Use any computer

Satisfaction guarantee

Get all source code

Popular bundle by Mammoth students

Perfected over years of training

Reviews from the Mammoth Community

"This is AMAZING I just learned how to code without breaking a sweat, this is really easy and fun!" -Shalonda Lewis

"This course so far is by far amazing! The instructor is very encouraging and up beat." -Moiz Saqib

"It was informative and definitely covered the basics. Easy to understand and to follow." -Colin Mooney

Who this course is for:
Anyone interested in building smart contracts for the NEAR blockchain
Anyone who wants to learn to code


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