8 ECMAScript standards to learn before building Lightning Web Components

With all the advances in JavaScript and Web standards in the last five years, it’s critical to understand certain concepts and constructs before you begin developing using the LWC programming model.

Salesforce is embracing and supporting the use of Open Source and JavaScript standards for dramatically improving speed and simplicity in LWC development. Salesforce is so serious about these standards, they’ve joined ECMA International, which oversees the ECMAScript variant of JavaScript.

If you are an Apex or Aura developer and want to be prepared for the latest and greatest, this will help you understand important standards that are core to the foundation of LWC. You will learn best practices and be better prepared for LWC development.


  • Decorators
  • DispatchEvent and CustomEvent
  • QuerySelector
  • Import/Export (ES6)
  • Spread Notation(ES9)
  • Slots
  • Promises (ES6) and Async/Await (ES8)
  • String Interpolation (ES6)

Standards are the Foundation of LWC

One of the biggest challenges we’ve faced with LWC is massive amount of information and documentation, so how to Learn Lightning Web Components? Fortunately, LWC is built on Web and Javascript standards which we will cover.

Goal: Better JS Understanding = better LWC development



Date     : Saturday, MAY 09, 2020 10:00 AM EST (7:30 PM IST )
Speaker : Paul McCollum, Nathan Shulma

Further learning:

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Amit Chaudhary

Amit Chaudhary

Amit Chaudhary is Salesforce Application & System Architect and working on Salesforce Platform since 2010. He is Salesforce MVP since 2017 and have 17 Salesforce Certificates. He is a active blogger and founder of Apex Hours.

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