What exactly is a React hook?
system
vastav main ek pratikriya hook kya he?
user
riect hook upyog karne yogya purv-nirmit fnction hai jo aapako apane aplication ko viksit karte samay pratikriya rajya or jeevanchakra suvidhaon main tap karne kii anumati dete hai.iskaa ek acha udhaaharan Usestate hook hoga.pramukh stepal main se ek jo pratikriya pradaan karata he.neeche ek batan ko dabaae jane ke liye upyog or adhyatan karne or ginati karne ke liye upyog kiye jane kaa ek udhaaharan diya gaya he.

aayaat pratikriya, {usestate} 'pratikriya' se;

samaaroh udhaaharan () {
  const [gananaa, setCount] = usestate (0);

  waapas karnaa (
    <div>
      <p> aapane {ginati} times </p> par clic kiya
      <batan onClick = {() => setCount (gananaa + 1)}>
        mujhe clic karen
      </batan>
    </div>
  );
}
assistant
<|system|>
</s>
<|user|>
vastav main ek pratikriya hook kya he?</s>
<|assistant|>
riect hook upyog karne yogya purv-nirmit fnction hai jo aapako apane aplication ko viksit karte samay pratikriya rajya or jeevanchakra suvidhaon main tap karne kii anumati dete hai.iskaa ek acha udhaaharan Usestate hook hoga.pramukh stepal main se ek jo pratikriya pradaan karata he.neeche ek batan ko dabaae jane ke liye upyog or adhyatan karne or ginati karne ke liye upyog kiye jane kaa ek udhaaharan diya gaya he.

aayaat pratikriya, {usestate} 'pratikriya' se;

samaaroh udhaaharan () {
  const [gananaa, setCount] = usestate (0);

  waapas karnaa (
    <div>
      <p> aapane {ginati} times </p> par clic kiya
      <batan onClick = {() => setCount (gananaa + 1)}>
        mujhe clic karen
      </batan>
    </div>
  );
}</s>
