A very common use-case in Lightning Web Component is iterating a list over an array in HTML file using for:each or iterator directive. Many times as a developer, we have to do something on the items based on user interaction. You would definitely require to get selected record id from custom iteration.
Lightning Web Component is the new way of building Lightning Components in Salesforce. There are high chances that you may end up with some common error.
UNDERSTAND GETTER IN LIGHTNING WEB COMPONENT
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?
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.
CUSTOM LOOKUP FIELD IN LIGHTNING WEB COMPONENT requires a lot of code, but what if i tells you that you can do this with few