Premium Only Content

Component lifecycle in ReactJS | React Tutorials
Component lifecycle in ReactJS
1. Initialization
——————
defaultProps - set default props
constructor - set the initial state value and bind actions
componentWillMount - called before the render method is executed. It is important to note that setting the state in this phase will not trigger a re-rendering.
render - returns the needed component markup
componentDidMount - enabling to define DOM manipulations or data fetching operations.
2. State Changes
————————
shouldComponentUpdate - called before the render method and enables to define if a re-rendering is needed or can be skipped.
componentWillUpdate - called as soon as the shouldComponentUpdate returned true.
render - returns the needed component markup
componentDidUpdate - called after the render method. Similar to the
componentDidMount, this method can be used to perform DOM operations after the data has been updated.
Props Changes
————————
componentWillRecieveProps - called when the props have changed and when this is not an initial rendering. componentWillReceiveProps enables to update the state depending on the existing and upcoming props, without triggering another rendering.
shouldComponentUpdate - called before the render method and enables to define if a re-rendering is needed or can be skipped.
componentWillUpdate - called as soon as the
shouldComponentUpdate returned true.
render - returns the needed component markup
componentDidUpdate - called after the render method. Similar to the componentDidMount, this method can be used to perform DOM operations after the data has been updated.
Unmounting
———————
componentWillUnmount - called before the component is removed from the DOM. This method can be beneficial when needing to perform clean up operations, f.e. removing any timers defined in componentDidMount.
-
14:44
TechnicalTalk
4 years agoRouting In ReactJS | React Tutorials
45 -
12:43
TechnicalTalk
4 years agoWebpack setup and build component | React Tutorials
4 -
10:09
TechnicalTalk
4 years agoWebpack configurations setup for separate environment | React Tutorials
16 -
11:16
rolanarcilla
4 years agoBASIC ART TUTORIALS
62 -
1:13
skreutzer
4 years agoWebleau Graph Visualization Component
15 -
LIVE
Total Horse Channel
18 hours ago2025 Reno Snaffle Bit Futurity | Saturday
2,689 watching -
1:22:10
Michael Franzese
3 hours agoI'm Calling Out All The Nonsense From The Left & "New" Epstein Files
54K43 -
4:06:45
Grant Cardone
4 hours ago10X Wealth System LIVE: Keep More. Pay Less. Build Faster.
6.71K -
LIVE
TheManaLord Plays
3 hours agoMANA SUMMIT - DAY 1 ($10,200+) | BANNED PLAYER SMASH MELEE INVITATIONAL
241 watching -
2:35:48
I_Came_With_Fire_Podcast
17 hours agoCarolina Bays: The Lost Cataclysm You've Never Heard Of
23.7K8