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How to do component communication in LWC in Salesforce?
Since we know that lwc component can be nested there are 3 possibilities for communication between components. Communication between two separate components. Let start with 1st one. A public property of any child can be accessed through parent components. Let’s understand all of this with an example.
Why do we need component communication in LWC?
In this article, we will understand component communication in LWC To make component dynamic and flexible communication between your lightning web component is required. Since we know that lwc component can be nested there are 3 possibilities for communication between components. Communication between two separate components.
Why do we use native tags in LWC?
As an alternative we can use but for some reason am inclined towards using the native tags, just because it’s native and any changes done to these will automatically be available in LWC too. Example, we can use Touch Events in LWC just because they can be used in Web Components.
What should be included in a LWC configuration file?
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 which contains your component’s HTML. When renders, the tag is replaced with .
How does LWC handle multiple dependents in Salesforce?
The component’s JavaScript prefaces the value of the objectInfo parameter with $ to indicate that it’s dynamic and reactive. It references a property of the component instance. If its value changes, the template rerenders. Before understanding dynamic and reactive variable lets understand reactive (that is , track).
How to communicate between two lightning Web Components?
Communicating between two Lightning Web Components that are not contained in the same DOM tree can be done using the pubsub module that Salesforce has provided. This works familiarly to application events in Aura. Refer to the ” Communicate Between Components ” page in the LWC Dev Guide.