You might have passed data from Parent Lightning web Component to Child Lightning Web Component but have you ever came across any requirement to pass markup from Parent to child in Lightning Web Component?

By Sanket
You might have passed data from Parent Lightning web Component to Child Lightning Web Component but have you ever came across any requirement to pass markup from Parent to child in Lightning Web Component?
Lightning Web Component has the ability to pass data from parent component to child component, but sometime you might need value change handler in child Lightning Web Component when the value is passed from parent Lightning Web Component.
Are you looking for adding or removing rows dynamically in Lightning Web Component to create records or do something else?
Are you looking for navigating to Lightning Web Component from another Lightning Web Component in Lightning Experience, Salesforce Mobile App? Using PageReference Object of Lightning
Are you looking for applying dynamic CSS Class in Lightning web Component?
The init handler in Aura gets fired first than Lightning Web Component. In simple word, If you have a parent Aura and child Lightning Web Component, connectedCallback() defined in child component will get fire later than init handler in Aura Component.