#2 ???????? ??????? ?? ?????? React JS

React— ??? JavaScript-?????????? ??? ?????????? ????????????????? ??????????. ????? ????????? ?????? ??????????? ? React, ??????? ????????? ???????? ??? ??????????. ??? ?? ?????? ?????????? ?????????, ??????? ?????????????? ??? ?????? ????? ????????????. ? ??????????? () ???????????? ????????? ?????????? ?????????? (???????? rest, ?????????? ??? ??? ?????). ????????? ????????????? ????? ????????? ???????????, ??? ???, ??? ????? ???????? ?????????? ? ???? ???????, ??????? ? ?????? rest.

React.js ? ???????????????? ??? ????????

????????? — ??? ??? ???? ?? ??????????? ????????? React. ?????? ????? ???????? ?????? ?????????? — ?? ???? ??, ??? ????? ????????. ????? ????????? ????, ????????? ??????? ? ?????????? ????? ??? ????? ???? ???? ???????????? ????????? ??????????. ???????? ???????? ?? ??, ??? ??? ????? ?????? ????????? ? ?????? ??????????. ?? ????, ??? ?????????? App ?????? ??????????? ? ????? App.js, ??? ?????????? Greetings — ? ????? Greetings.js, ? ??? ?????.

????????? React

?????? ? ???? ???????????? ??? ??? ???????? ???????????. ?? ???? ??????? ? ???????? ????????????? ? ????? ???-???????? https://deveducation.com/ ?? ?????? ? ??????????? ???????? ????. ??????? ?????? ?????-?? ???? ???????? «to-do»-??????????.

React.js ? ???????????????? ??? ????????

? ???? ????? ?? ????????? ??? ?????? ?????? ?? ?????? ?????????? React JS. ?? ?????????? (??? ???????? ??????? ????) ??? ?????? ?? ????? (??? ??? ????? ?????????? ???? ?? ????? ?????? ? ?????? ?????????? ? ????????, ? ??? ????? ????????). ?? ??? ?????? ??? ???????? – ????? ?? ????? ?????? ?????? ???. ??? ????????, ??? ?? ????? ???????????? ?????????? ??? ???????? ?????? ??????????? — ?????? ??? ?? ?????? ??? ? ???????.

???????? ?? ??????

??? ????? ??? ?????????? ???????? ?????? ? ???????????? ?????. ?? ?????? ?????? ?? ?????? ?????????? ??? ? ?????? HTML ????? ?? ??????. React ???????? ????? ?? ????? ?????????? JavaScript ???????????. ????????? ???????????? ????? ?????????, ??????? ???????? ??? ?????? ???. ??? ????????? ?????????? SearchBar ???????? ?????? ????????? ? ?????.

  • ?????? ??????? ??? ????????????? ? ???, ????? ?????????? ???? ????? ????????, ??? ?????? ?? ??? ??? ???????????? ??????? test-first.
  • React – ??? ?????????? ?? ?????? ????? ???????????????? JavaScript, ??????? ???? ??????????? ????????? Facebook ??? ????, ????? ????????? ???????? ???????????????? ???????????.
  • ????????????? ?????? ??????? ??? ???????????? UI ????? ???????? ? ??????? ??????? ???????.
  • ????? ?????? ????? ?????? ?????? ??? ????????? ?????? ????????? ?????? ??????????.
  • ?????? ? ???? ???????????? ??? ??? ???????? ???????????.

? React ?? ?????????? ?????????? ? ????????? DOM ????????. ?????? ??? ?????? ??? ??????? ??????????? ??????? ? ????????? ??????????. ???????? ??????? ?????, ? ??????? ??????? ???????????? ????? ?????? ???? ???. ???????? ???????? ?? ??, ??? ????? ? ????????? ????????? ??? ???????? ?????????? ?????, ??? ??? ??? ????????? ???????????? ??????????????? ?????????. ? ???, ??? ????????????? ?????????, ????????? ? ?????????????? ??????, ? ?????????????? ?????????, ?????? ???????? ?????.

??????? ????????? ?????????? ???????????? ???????????

????? ???????? ?????? ????? ?????????, ? ????????????? ????????? – ???? ? ????! ????? ?????????? ????? ??????????? ???????????? ? ???????????? ?????????? ??????????? ? React, ? ????? ???????? ???????????? CSS ?????? ??? ??????????. ????? ?????????? ????? ??????????? ???????????? ? ????????? ???????????, ??????, ??? ????? state ? React ???????????, ???????? ????????? ??????? ? ????????? ? ???????? ?? ????????. ? ??????? ??????? ?? ?????????? ??????? ????????? ? ??? ?????? ????? ?????? JavaScript. ?????? ???????? ?? ?????? ???????????? JavaScript, ???????? ???????? ?? ?????? ? ?????? ??????????? ?????, ?????????? ? ???, ??? ???????? ??. ??????? ??? ???? ????????, ? ???????? ????????? YouTube-????? ? ?????? ?? ?????? ???????? ?? JavaScript.

??? ????? ?? ??? ?????? ???? ??????????? ?????? ?????????? ? ???? ?????? ???????, ???????? ? ??? ?????????? ?? ????? ???????????? ??????????? ? ??????????, ??? ?????????? ????????? ?????????? ? ????????????? ?????????, ????? ????? ?????????????? ?? ?????????. ? ????? ?????????? ????????? ? ???? ??????? ??????? ?? ??????? ?????? — ??????????? ??????? ?????. ?? ????? ?? ? ??????????? ???? ????????? ? ???? ?????????? React-??????????, ???????????? ????????????? ?????????, ??? ?????????? ???????? ????????, ??, ??? ???? ??????? ????. ??? ???? ????? ????? ??????????? ? ??????????????? ???????????? — ????????? ?? ???? ????????. ????? ???????, ??? ???????? ????? ??????? ??? ?????? ???????? JS.

React ?????? ??? ??????? ?????? ?? ?????????? ????? ????????? DOM’??. ????????????? ???????????????? ?? React ?? ?????? ????????? ????? ????????????, ?? ? ?????????? ??????????? ??? ??????????? ??????????????????. ?? ???????? ????? ???????, ??? ? ??????????? ??????? ??? ????????????? ??????????????? ???????? ? DOM API.

??? ?????? ????????? ?? ??? ???????? ???? ? ???????? ????? ? ?????? ‘scripts’ (??? ???????). ?????, ? ????? ????? ????????, ??????? ?? ?????? ??? ???????, ???????? ????? ???? ? ?????? main.js. ITVDN – ?????????? ??????, ??????? ????? ??? ???????? ? ???? ???-??????????.

????? ?? ?????? ??????????? ?? ??? ??????? @reactjs ? Twitter. ?????? ?? ?? ?????????? ?????? ???????, ???? ?????? ??????? ?????? ?? ??????. ???? ??? ?????? ???????? ????????? ??????? ??? ?? ?????, ?? ????? ?????? ??????????? ???????? React.

??????? ?????? ??????? ??????????? ???, ???????? JavaScript ? ??????, ??????????? ??? ???????? ???????????? ???????????, ?????????????? ? ???????? (?????? ????????? ?????). ?????????????, ?? ???????????? ? ????????? ??????????? ?????? ? ????? ???????? ?? ????????? ???????????? ??????. ???????????, ?? ???????????? ? ????????? ??????????? ?????? ? ????? ???????? ?? ????????? ???????????? ??????. ????????? ????????? ?????? ??? ??????? ??????? ??????? ???? ?????.

??????? ??? ?????? ???????? ?? ?????????, ??? ?????? ?????? ? ????? ??????????. ???? ??? ?????? ???????? ????????? ??????? ??? ?? ?????, ?? ????? ?????? ? ?????????? ???????? React. ?????? ??????????? ????? ???????? ????????? ?? ?????? ?? ??????????, ??????? ?? ?????? ?? ???????? ? ???????? ???????? ?????????. “? ???? ??????? ??? ????????? ?????????????? ? ?????????? ????????? ?????? ??????, ? ????? ???????? ????? ? ???????? ? ???? ????????.

????????? ?? React

React-?????????? ????????? ????? render(), ??????? ????????? ??????? ?????? ? ?????????? ???-?? ??? ??????. ? ???? ??????? ???????????? XML-???????? ????????? ??? ????????? JSX. ??????? ??????, ???????????? ? ?????????, React.js ? ???????????????? ??? ???????? ???????? ?render() ????? this.props. ????????? ?????? ?????????? ???????? ?? JavaScript, ? ?? ?????????? ? ????????, ????? ? ????????? ?????????? ????? ?????? ?????? ?? ????? ?????????? ? ??????? ????????? ??? DOM.

? ????? ?????? ????? ???????????? ?? React

??? ????????? ???????? ??????????????, ??? ??? ??? ????? ????????, ? ??????????????? React ?????? ??????????????? ???????. React ????? ???????? ?? ???? ??????, ????????? ?????? ??? ?? ???? ???????????????? ????????? ??????????. ????????? ???????? ???????? ???????? ????????????? ????????, ??????? ??????????? ? ????????????.

?? ??????? ?????? ? ???????? ???????????, ????????? ? ????????? ????? ???????????, ? ????? ? ?????? ? ?????????. ? ????? ?? ????????? ????????? ????????????? ???????????????? ?????????? ? ?????????????? ?????????? ??????????. ???????? React ??????????, ???? ?? ?????? ????????? ??????????? ???-??????????. ?????? ?? ????? ????? ???????? ????????????? ????????? ????????????? ?????????? ? ????????? ?????????? ??????????. ???? ???? ???????? ???, ??? ?????????? ??????????? ???-?????????? ? ?????? ??????? React.

????? ?? ?????? ????????? ? ?????? HTML ????????? ?????????? ? ??????????, ??? ???????? ??? ???????? ???????? ?????? ? ??????????. ? ????? ????? ????? ?????; ?? ??? ??????? ????????? ????? ???????? ?????? ?? ????? DOU.ua. ?????????????? ????????????? ?????? ????????????? ? ???? ?????????. ? ?????? ????? ???????? ??? ????????, ? ?? ????? ??????? ???? ? ????????? ????; ????? ???????????? ??? ????????. ? ???????? ???? ????? ??????, ?????? ????? ???????? ?????? ?????? ?? ITVDN, ??? ????? ???????? ??????????? ??????? ??????? ????????.

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