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Aura |
Lwc |
| Aura is a proprietary framework built by Salesforce. It includes a comprehensive component model with its own lifecycle, event-handling system, and data binding mechanisms. | LWC is built on modern web standards like ES6+, Web Components, and the Shadow DOM. It reduces reliance on custom frameworks by using native browser features, making it a lighter framework compared to Aura. |
| Aura components have a heavier DOM structure and tend to be slower due to their reliance on a custom component lifecycle and rendering mechanisms. It also has more layers of abstraction, which can slow down performance. | LWC is faster because it leverages native web standards and the browser’s built-in engine. |
| Aura component can not be used inside LWC | LWC component can be used inside Aura |
Aura has its own event system, including Application and Component events. |
LWC uses the native JavaScript event system, making it simpler and more intuitive. |
| Aura uses two-way data binding, meaning changes to the data automatically update the UI and vice versa. | LWC uses one-way data binding, which simplifies the data flow and makes the application easier to maintain. |
He is a technology evangelist, Salesforce trainer, blogger, and working as a Salesforce Technical Lead. After working in Java based project implementation, he jumped to the Salesforce system on a whim and never looked back. He fell in love with Salesforce’s flexibility, scalability, and power. He expanded his knowledge of the platform and became a Certified App Builder, Administrator, Platform Developer I, II, SalesCloud Consultant, total 11 x certified while leading the Salesforce implementation and technology needs. He has worked in a wide variety of applications/services like desktop, web and mobile applications.