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10 docs tagged with "Use State"

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dynamic value for initial useState()

dynamic value for initial useState(). Topics on: props, initializer function. Read more: React, React API, Hooks API, Stateful Hook, Use State, Initial|Dev Wiki

initial

initial is defined as: value used to setup first instance render, ignored on re-render. Topics on: static initial values for useState(), dynamic value for initi

initializer function

initializer function is defined as: set value to result of calculation. Topics on: pass function reference but do not invoke it with (), pass Initializer Functi

Lazy Initial value

Lazy Initial value is defined as: function pass as Parameter into useState(), to assign return value as Initial State value, on first-call only. Topics on: Lazy

setter

setter is defined as: function to set new value; !convention prefix set* to value name. Topics on: !gotcha Referential Equality - do not mutate Array or Object

static initial values for useState()

static initial values for useState(). Topics on: true/false, empty string '', null. Read more: React, React API, Hooks API, Stateful Hook, Use State, Initial

useState()

useState() is defined as: Stateful Hook to persist single state value in FC. Topics on: const [_value, _setter] = useState(initial), Lazy Initial value, !flow d

useState() vs CC

useState() vs CC. Topics on: CC can only have ONE state of Object type, CC always re-render if updated; even if nothing changed, CC has extends React.PureCompon

value

value is defined as: name for state being tracked. Topics on: when useState called, React checks if value & only re-render if value changes. Read more: React, R