Why we use lwc in salesforce

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LWC is secure, fast and lightweight. It provides a layer of specialized salesforce services on top of the core stack, including base lightning components, lightning data service and user interface API. Because LWC built on code that runs natively in browsers, Lightning Web Components is lightweight and delivers exceptional performance.

With the introduction of LWC, Salesforce is making it much easier for clients and partners to ramp up developers for their projects, enabling them to provide better service and paving a bigger path to achieving its own revenue goals.

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How to get started with LWC in Salesforce?

You can use ForceCode Extension for Salesforce as it supports LWC Or you can follow this trailhead module. Get easy to understand sample code for almost all use cases here. For more samples visit here. Develop a LWC yourself and try your code by running it here. Most importantly, Complete the Get Started with LWC trailmix.

How to add LWC component on account detail page in Salesforce?

Now we can add this lwc component on account detail page. Click Setup (Gear Icon) and select Edit Page. Under Custom Components, find your accountListLWC component and drag it on right hand side top. Click Save and activate. We will have following output.

Why lightning Web Components (LWC)?

Because LWC built on code that runs natively in browsers, Lightning Web Components is lightweight and delivers exceptional performance. Most of the code you write is standard JavaScript and HTML.

What are the optional content of LWC components?

There are optional content like css. But then in addition to these for LWC, an xml configuration file is also included which defines the metadata values for the component. Has a root tag <template> which contains your component’s HTML.

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What is the use of LWC in Salesforce?

What is the Lightning Web Component (LWC)? The Lightning web component introduced in Feb 2019 is Salesforce’s new programming model built on modern browser improvements or web standards. These web components help to create custom, reusable HTML tags for web pages & apps.


What are the benefits of LWC?

Advantages of using Lightning Web Components (LWC)Performance. … Faster Development. … Device-aware and cross-browser compatibility. … 2 Way Binding. … Avoid ViewState Error. … Use Lighting Web Component in Visualforce Page.


What are limitations of LWC?

You cannot use a LWC yet for Actions and LEX console is not yet supported. You can embed the LWC inside of an Aura component as a work-around. LWC does not offer two-way data binding, as Aura does. As a result, user input does not automatically propagate back to the controller.


What is the difference between lightning and LWC in Salesforce?

Aura based lightning components are created using JS, HTML, but LWC is directly built on the web stack. The addition of above features gives more power to the web stack to build lightning UI components.


What is Lightning web component?

Lightning web components are custom HTML elements built using HTML and modern JavaScript. Lightning web components and Aura components can coexist and interoperate on a page. To admins and end users, they both appear as Lightning components.


Which is better, Lightning web or Aura?

How to Choose Lightning Web Components or Aura. Lightning web components perform better and are easier to develop than Aura components. However, when you develop Lightning web components, you also may need to use Aura, because LWC doesn’t yet support everything that Aura does. Set Up Your Development Environment.


Is LWC capitalized?

Tip The name of the programming model is Lightning Web Components, or LWC, capitalized. When we refer to the components themselves, we use lowercase, Lightning web components.


Is Salesforce a member of the W3C?

Salesforce is committed to developing open web standards and is a member of the World Wide Web Consortium (W3C). Salesforce developers are contributing members of the Ecma International Technical Committee 39 ( TC39 ), which is the committee that evolves JavaScript.


What is LWC in programming?

What Lightning Web Components (LWC)? LWC is a new programming model levering the recent web standards. Rather than being a totally custom and development wise rigid framework, It’s quite flexible.


Can you use ForceCode Extension on Salesforce?

You can use ForceCode Extension for Salesforce as it supports LWC Or you can follow this trailhead module.


What is Salesforce Stack Exchange?

Salesforce Stack Exchange is a question and answer site for Salesforce administrators, implementation experts, developers and anybody in-between. It only takes a minute to sign up.


What happens when c-another-component fires a notification event?

When c-another-component fires a notify event, both handleInnerNotify and handleOuterNotify will fire, even though the default configuration would have been stopped at the c-my-component boundary.


Does C-My-Component fire handleInnerNotify?

A notify event from c-my-component will only fire handleInnerNotify.


Promises in LWC (Lightning Web Components)

Hello folks!
Today I would like to give you a short story of JavaScript Promise and show you how it is used in Salesforce Lightning Web Components.
Let’s get started!


Promises in LWC

Promises in Lightning Web Components are usually used to invoke apex methods.
“ The imported function returns a promise. ” ~ Salesforce


Aggregate Promises in LWC

Assume that you need to invoke the APEX method in the loop and you don’t have bulk apex method. The best approach for it will be to use Promise.all ()


Chain Promises in LWC

import getContactDetails from ‘@salesforce/apex/ContactController.getContactDetails’;

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