Mutating props inside a child component
Mutating props inside a child component in React is a common mistake that can lead to unpredictable behavior, bugs, and issues with React’s unidirectional data flow. Props are meant to….
Tag: Parent-Child Communication
Mutating props inside a child component
A fundamental React anti-pattern is attempting to modify props directly within a child component. This violates React’s unidirectional data flow principle and can lead to unpredictable behavior. The Problem Why….
How to update a parent component from a child component
In AngularJS 1.5+, components follow a unidirectional data flow, meaning that child components cannot directly modify parent component data. Instead, AngularJS provides mechanisms like one-way binding (<) and callback functions….
How $scope.$broadcast() and $scope.$emit() work?
In AngularJS, $scope.$broadcast() and $scope.$emit() are used for event propagation between different scopes in the application. These methods allow child and parent controllers to communicate efficiently. What is $scope.$broadcast()? $scope.$broadcast()….
How to use $scope.$on and $scope.$broadcast
AngularJS provides a built-in event-handling system that allows different components (controllers, directives, services, etc.) to communicate with each other using events. The two main methods used for event communication within….