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Showing posts from August, 2022

Lifecycle hooks in LWC

There are 3 phase of LWC component  1. Mounting  A. constructor, B. connnectedCallback C. render D. renderedCallback 2. UnMounting  A. disconnectedcallback 3. Error  A.errorcallback Note - render is not lifecycle hook, it is protected method of Lightning element class. Mounting Phase LWC Creation and Render Life cycle Constructor Method ·        This method called when component is instantiated and It flows from parent to child component. ·        Need to call Super() inside constructor method ·        Can’t access any component properties or child component because it’s not ready yet. ·        Host element can be accessed through “this. template” inside constructor method. ·        Don’t add any attributes to host inside constructor C   constructor (){          super (); //...