services and components
State and props
state and services
state and components
renderComponent
SetinitialComponent
Render
All of the above
ECMA6
ECMAJavaScript 6
ECMAScript 6
EJavaScript 6
this()
super()
iniherits()
self()
JavaScript XML
JSON XML
JSON
JavaScript and AngularJS
ReactDOM_reder()
reder()
render_DOM()
DOM_HTML()
Access the previous state before the setState operation.
invoke code after the setState operation is done.
replace this date completely instead of the default merge actionnone of the above
none of the above
ReactDOM.createPortal()
ReactDOM.hydrate()
ReactDOM.destroy()
ReactDOM.findDOMNode()
source of truth can be anything
source of truth is a component state
source of truth is DOM
vendor/js/components/
components/js
js/components
vendor/components
Runs react local development server
transfer files all the JavaScript down into one file
a module blunder
Unique among his siblings only
Unique in the DOM
Does not requires to be unique
all of the above
Apple
Facebook
Google
Twitter
componentsDidUpdate
componentDidMaunt
willComponentsUpdate
ShouldComponentUpdate
<h1>${fetch()}</h1>
<h1>{fetch}</h1>
<h1${fetch}</h1>
<h1>{fetch()}</h1>
dublicate key error
repetitive output happiness ootput of the screen
nothing happense
stackoverflow error
When we want to replace redux
When we want to break our production app
When we want to improve performance
JavaScript framework
JavaScript library
both a and b
Sinon
Chai
Jest
Mocha
React.lazy
React.memo
React.fallback
React.split