{"id":2246,"date":"2022-07-24T14:55:34","date_gmt":"2022-07-24T14:55:34","guid":{"rendered":"https:\/\/topviecit.vn\/blog\/?p=2246"},"modified":"2023-01-05T10:28:34","modified_gmt":"2023-01-05T10:28:34","slug":"cau-hoi-phong-van-front-end-reactjs","status":"publish","type":"post","link":"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-front-end-reactjs\/","title":{"rendered":"C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Front-End ReactJS v\u00e0 h\u01b0\u1edbng d\u1eabn tr\u1ea3 l\u1eddi"},"content":{"rendered":"\n<p>Front-End ReactJS v\u1eabn \u0111ang l\u00e0 m\u1ed9t trong nh\u1eefng v\u1ecb tr\u00ed HOT hi\u1ec7n nay trong l\u0129nh v\u1ef1c IT. N\u1ebfu b\u1ea1n c\u0169ng \u0111ang chu\u1ea9n b\u1ecb \u1ee9ng tuy\u1ec3n v\u1ecb tr\u00ed n\u00e0y, h\u00e3y c\u00f9ng <a href=\"https:\/\/topviecit.vn\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>topviecit.vn<\/strong><\/a><strong> <\/strong>tham kh\u1ea3o ngay b\u1ed9 <strong>c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Front-End ReactJS<\/strong> ngay sau \u0111\u00e2y.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_63 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-front-end-reactjs\/#Nhom_cau_hoi_phong_Front-End_ReactJS_khoi_dong\" title=\"Nh\u00f3m c\u00e2u h\u1ecfi ph\u1ecfng Front-End ReactJS kh\u1edfi \u0111\u1ed9ng\">Nh\u00f3m c\u00e2u h\u1ecfi ph\u1ecfng Front-End ReactJS kh\u1edfi \u0111\u1ed9ng<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-front-end-reactjs\/#Cau_1_Theo_ban_ReactJS_la_gi\" title=\"C\u00e2u 1: Theo b\u1ea1n, ReactJS l\u00e0 g\u00ec?\">C\u00e2u 1: Theo b\u1ea1n, ReactJS l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-front-end-reactjs\/#Cau_2_Ban_hay_the_liet_ke_mot_so_tinh_nang_chinh_cua_ReactJS\" title=\"C\u00e2u 2: B\u1ea1n h\u00e3y th\u1ec3 li\u1ec7t k\u00ea m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a ReactJS?\">C\u00e2u 2: B\u1ea1n h\u00e3y th\u1ec3 li\u1ec7t k\u00ea m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a ReactJS?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-front-end-reactjs\/#Cau_3_Uu_diem_nao_ma_ban_cam_thay_vuot_troi_khi_su_dung_ReactJS\" title=\"C\u00e2u 3: \u01afu \u0111i\u1ec3m n\u00e0o m\u00e0 b\u1ea1n c\u1ea3m th\u1ea5y v\u01b0\u1ee3t tr\u1ed9i khi s\u1eed d\u1ee5ng ReactJS?\">C\u00e2u 3: \u01afu \u0111i\u1ec3m n\u00e0o m\u00e0 b\u1ea1n c\u1ea3m th\u1ea5y v\u01b0\u1ee3t tr\u1ed9i khi s\u1eed d\u1ee5ng ReactJS?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-front-end-reactjs\/#Cau_4_Ban_co_the_neu_ra_nhung_han_che_ma_ban_tung_gap_khi_su_dung_ReactJS_duoc_khong\" title=\"C\u00e2u 4: B\u1ea1n c\u00f3 th\u1ec3 n\u00eau ra nh\u1eefng h\u1ea1n ch\u1ebf m\u00e0 b\u1ea1n t\u1eebng g\u1eb7p khi s\u1eed d\u1ee5ng ReactJS \u0111\u01b0\u1ee3c kh\u00f4ng?\">C\u00e2u 4: B\u1ea1n c\u00f3 th\u1ec3 n\u00eau ra nh\u1eefng h\u1ea1n ch\u1ebf m\u00e0 b\u1ea1n t\u1eebng g\u1eb7p khi s\u1eed d\u1ee5ng ReactJS \u0111\u01b0\u1ee3c kh\u00f4ng?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-front-end-reactjs\/#Mot_so_cau_hoi_Front-End_ReactJS_chuyen_mon\" title=\"M\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi Front-End ReactJS chuy\u00ean m\u00f4n\">M\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi Front-End ReactJS chuy\u00ean m\u00f4n<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-front-end-reactjs\/#Nhom_cau_hoi_co_ban_ve_ReactJS\" title=\"Nh\u00f3m c\u00e2u h\u1ecfi c\u01a1 b\u1ea3n v\u1ec1 ReactJS\">Nh\u00f3m c\u00e2u h\u1ecfi c\u01a1 b\u1ea3n v\u1ec1 ReactJS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-front-end-reactjs\/#Nhom_cau_hoi_lien_quan_den_React_Component\" title=\"Nh\u00f3m c\u00e2u h\u1ecfi li\u00ean quan \u0111\u1ebfn React Component\">Nh\u00f3m c\u00e2u h\u1ecfi li\u00ean quan \u0111\u1ebfn React Component<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-front-end-reactjs\/#Cau_hoi_lien_quan_den_React_Refs\" title=\"C\u00e2u h\u1ecfi li\u00ean quan \u0111\u1ebfn React Refs\">C\u00e2u h\u1ecfi li\u00ean quan \u0111\u1ebfn React Refs<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-front-end-reactjs\/#Nhom_cau_hoi_lien_quan_den_React_Router\" title=\"Nh\u00f3m c\u00e2u h\u1ecfi li\u00ean quan \u0111\u1ebfn React Router\">Nh\u00f3m c\u00e2u h\u1ecfi li\u00ean quan \u0111\u1ebfn React Router<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-front-end-reactjs\/#Nhom_cau_hoi_lien_quan_den_React_Style\" title=\"Nh\u00f3m c\u00e2u h\u1ecfi li\u00ean quan \u0111\u1ebfn React Style:\">Nh\u00f3m c\u00e2u h\u1ecfi li\u00ean quan \u0111\u1ebfn React Style:<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Nhom_cau_hoi_phong_Front-End_ReactJS_khoi_dong\"><\/span><strong>Nh\u00f3m c\u00e2u h\u1ecfi ph\u1ecfng Front-End ReactJS kh\u1edfi \u0111\u1ed9ng<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Nh\u1eefng c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Front-End ReactJS n\u00e0y \u0111\u01b0\u1ee3c th\u01b0\u1eddng \u0111\u01b0\u1ee3c nh\u00e0 tuy\u1ec3n d\u1ee5ng d\u00f9ng \u0111\u1ec3 kh\u1edfi \u0111\u1ed9ng, b\u1eaft \u0111\u1ea7u bu\u1ed5i ph\u1ecfng v\u1ea5n. V\u00ed d\u1ee5 c\u00e2u h\u1ecfi v\u00e0 g\u1ee3i \u00fd tr\u1ea3 l\u1eddi nh\u01b0 sau:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cau_1_Theo_ban_ReactJS_la_gi\"><\/span><strong>C\u00e2u 1: Theo b\u1ea1n, ReactJS l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>ReactJS l\u00e0 th\u01b0 vi\u1ec7n c\u1ee7a ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh JavaScript Front-End v\u1edbi m\u00e3 ngu\u1ed3n m\u1edf. ReactJS th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e2y d\u1ef1ng giao di\u1ec7n, \u0111\u1eb7c bi\u1ec7t l\u00e0 d\u00f9ng cho c\u00e1c trang \u0111\u01a1n. B\u00ean c\u1ea1nh \u0111\u00f3, th\u01b0 vi\u1ec7n n\u00e0y c\u0169ng \u0111\u01b0\u1ee3c c\u00e1c Developer s\u1eed d\u1ee5ng \u0111\u1ec3 x\u1eed l\u00fd view layer c\u1ee7a thi\u1ebft b\u1ecb di \u0111\u1ed9ng, \u1ee9ng d\u1ee5ng website.<\/p>\n\n\n\n<p><strong>T\u00ecm hi\u1ec3u th\u00eam: <a href=\"https:\/\/topviecit.vn\/blog\/developer-la-gi-2\/\" target=\"_blank\" rel=\"noreferrer noopener\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">Developer L\u00e0 G\u00ec<\/mark><\/a>? M\u00f4 T\u1ea3 C\u00f4ng Vi\u1ec7c V\u00e0 M\u1ee9c Thu Nh\u1eadp C\u1ee7a Developer<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/07\/cau-hoi-phong-van-Front-End-ReactJS-topcv.jpg\" alt=\"Tuy\u1ec3n t\u1eadp nh\u1eefng c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Front-End ReactJS th\u01b0\u1eddng g\u1eb7p\" class=\"wp-image-2249\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/07\/cau-hoi-phong-van-Front-End-ReactJS-topcv.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/07\/cau-hoi-phong-van-Front-End-ReactJS-topcv-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/07\/cau-hoi-phong-van-Front-End-ReactJS-topcv-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>Tuy\u1ec3n t\u1eadp nh\u1eefng c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Front-End ReactJS th\u01b0\u1eddng g\u1eb7p<\/em><\/figcaption><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cau_2_Ban_hay_the_liet_ke_mot_so_tinh_nang_chinh_cua_ReactJS\"><\/span><strong>C\u00e2u 2: B\u1ea1n h\u00e3y th\u1ec3 li\u1ec7t k\u00ea m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a ReactJS?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>ReactJS s\u1ebd bao g\u1ed3m m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ch\u00ednh nh\u01b0 sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ReactJS s\u1eed d\u1ee5ng DOM \u1ea3o thay cho Real DOM.<\/li>\n\n\n\n<li>Th\u01b0 vi\u1ec7n n\u00e0y c\u00f3 h\u1ed7 tr\u1ee3 Server \u2013 side rendering.<\/li>\n\n\n\n<li>ReactJS c\u00f3 s\u1eed d\u1ee5ng c\u00e1c UI Components \u0111\u1ec3 t\u00e1i s\u1eed d\u1ee5ng, k\u1ebft h\u1ee3p v\u1edbi nhau gi\u00fap ph\u00e1t tri\u1ec3n view.<\/li>\n\n\n\n<li>ReactJS tu\u00e2n theo lu\u1ed3ng d\u1eef li\u1ec7u 1 chi\u1ec1u ho\u1eb7c c\u00f3 th\u1ec3 tu\u00e2n theo r\u00e0ng bu\u1ed9c d\u1eef li\u1ec7u.<\/li>\n<\/ul>\n\n\n\n<p><strong>Xem th\u00eam: <a href=\"https:\/\/topviecit.vn\/blog\/component-trong-reactjs-la-gi-cau-tao-va-cach-tao-ra-no\/\" target=\"_blank\" rel=\"noreferrer noopener\">Component trong reactjs l\u00e0 g\u00ec? C\u1ea5u t\u1ea1o v\u00e0 c\u00e1ch t\u1ea1o ra n\u00f3<\/a><\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cau_3_Uu_diem_nao_ma_ban_cam_thay_vuot_troi_khi_su_dung_ReactJS\"><\/span><strong>C\u00e2u 3: \u01afu \u0111i\u1ec3m n\u00e0o m\u00e0 b\u1ea1n c\u1ea3m th\u1ea5y v\u01b0\u1ee3t tr\u1ed9i khi s\u1eed d\u1ee5ng ReactJS?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng ReactJS, b\u1ea1n s\u1ebd c\u00f3 th\u1ec3 nh\u1eadn th\u1ea5y m\u1ed9t s\u1ed1 \u01b0u \u0111i\u1ec3m c\u1ee7a th\u01b0 vi\u1ec7n n\u00e0y nh\u01b0 sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>React s\u1ebd tu\u00e2n th\u1ee7 theo ki\u1ebfn tr\u00fac MVC, c\u00f3 m\u00e3 ngu\u1ed3n m\u1edf v\u00e0 gi\u00fap th\u1ef1c thi \u0111\u01b0\u1ee3c c\u00e1c t\u00e1c v\u1ee5 t\u1ed1t h\u01a1n.<\/li>\n\n\n\n<li>Qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng DOM \u1ea3o \u0111\u1ec3 hi\u1ec3n th\u1ecb view trong React s\u1ebd mang l\u1ea1i hi\u1ec7u qu\u1ea3 h\u01a1n, DOM \u1ea3o c\u0169ng nhanh h\u01a1n so v\u1edbi vi\u1ec7c ph\u1ea3i rendering (ki\u1ebft xu\u1ea5t) giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng trong tr\u00ecnh duy\u1ec7t.<\/li>\n\n\n\n<li>B\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng h\u1ecdc, s\u1eed d\u1ee5ng ReactJS.<\/li>\n\n\n\n<li>Th\u01b0 vi\u1ec7n n\u00e0y kh\u00e1 th\u00e2n thi\u1ec7n v\u1edbi SEO, cho ph\u00e9p hi\u1ec3n th\u1ecb m\u00e1y ch\u1ee7, do \u0111\u00f3 t\u0103ng c\u01b0\u1eddng SEO hi\u1ec7u qu\u1ea3 h\u01a1n.<\/li>\n\n\n\n<li>C\u00e1c th\u00e0nh ph\u1ea7n (Components) trong ReactJS c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng.<\/li>\n\n\n\n<li>H\u1ec7 sinh th\u00e1i c\u1ee7a th\u01b0 vi\u1ec7n n\u00e0y c\u0169ng kh\u00e1 \u0111a d\u1ea1ng, phong ph\u00fa \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn t\u00e0i nguy\u00ean.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cau_4_Ban_co_the_neu_ra_nhung_han_che_ma_ban_tung_gap_khi_su_dung_ReactJS_duoc_khong\"><\/span><strong>C\u00e2u 4: B\u1ea1n c\u00f3 th\u1ec3 n\u00eau ra nh\u1eefng h\u1ea1n ch\u1ebf m\u00e0 b\u1ea1n t\u1eebng g\u1eb7p khi s\u1eed d\u1ee5ng ReactJS \u0111\u01b0\u1ee3c kh\u00f4ng?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>B\u00ean c\u1ea1nh nh\u1eefng \u01b0u \u0111i\u1ec3m, l\u1ee3i th\u1ebf, vi\u1ec7c s\u1eed d\u1ee5ng ReactJS c\u0169ng s\u1ebd c\u00f3 nh\u1eefng h\u1ea1n ch\u1ebf nh\u01b0 sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>B\u1ea3n ch\u1ea5t c\u1ee7a ReactJS v\u1eabn l\u00e0 m\u1ed9t th\u01b0 vi\u1ec7n, do \u0111\u00f3 n\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 framework ho\u00e0n ch\u1ec9nh.<\/li>\n\n\n\n<li>Do kh\u1ed1i l\u01b0\u1ee3ng t\u00e0i nguy\u00ean c\u1ee7a ReactJS kh\u00e1 \u201ckh\u1ed5ng l\u1ed3\u201d, b\u1ea1n s\u1ebd c\u1ea7n ph\u1ea3i c\u00f3 th\u1eddi gian \u0111\u1ec3 h\u1ecdc, hi\u1ec3u \u0111\u01b0\u1ee3c nh\u00f3.<\/li>\n\n\n\n<li>Nh\u1eefng l\u1eadp tr\u00ecnh vi\u00ean ch\u01b0a c\u00f3 qu\u00e1 nhi\u1ec1u kinh nghi\u1ec7m, ch\u1eb3ng h\u1ea1n nh\u01b0 Junior Developer m\u1edbi v\u00e0o ngh\u1ec1, s\u1ebd c\u1ea3m th\u1ea5y React t\u01b0\u01a1ng \u0111\u1ed1i kh\u00f3 hi\u1ec3u.<\/li>\n\n\n\n<li>Vi\u1ec7c s\u1eed d\u1ee5ng JSX, inline templating c\u00f3 th\u1ec3 s\u1ebd t\u1ea1o ra r\u00e0o c\u1ea3n v\u00e0 l\u00e0m vi\u1ec7c l\u1eadp tr\u00ecnh tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p h\u01a1n.<\/li>\n<\/ul>\n\n\n\n<p><strong>T\u00ecm hi\u1ec3u th\u00eam: <a href=\"https:\/\/topviecit.vn\/blog\/junior-developer-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">Junior Developer L\u00e0 G\u00ec? M\u1ee9c Thu Nh\u1eadp C\u00f3 Cao Kh\u00f4ng?<\/a><\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/07\/cau-hoi-phong-van-Front-End-ReactJS-1-topcv.jpg\" alt=\"\u0102n m\u1eb7c g\u1ecdn g\u00e0ng, l\u1ecbch s\u1ef1 s\u1ebd gi\u00fap b\u1ea1n ghi \u0111i\u1ec3m trong bu\u1ed5i ph\u1ecfng v\u1ea5n Front-End ReactJS\" class=\"wp-image-2248\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/07\/cau-hoi-phong-van-Front-End-ReactJS-1-topcv.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/07\/cau-hoi-phong-van-Front-End-ReactJS-1-topcv-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/07\/cau-hoi-phong-van-Front-End-ReactJS-1-topcv-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>\u0102n m\u1eb7c g\u1ecdn g\u00e0ng, l\u1ecbch s\u1ef1 s\u1ebd gi\u00fap b\u1ea1n ghi \u0111i\u1ec3m trong bu\u1ed5i ph\u1ecfng v\u1ea5n Front-End ReactJS<\/em><\/figcaption><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mot_so_cau_hoi_Front-End_ReactJS_chuyen_mon\"><\/span><strong>M\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi Front-End ReactJS chuy\u00ean m\u00f4n<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>B\u00ean c\u1ea1nh nh\u1eefng c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Front-End ReactJS \u1edf tr\u00ean, nh\u00e0 tuy\u1ec3n d\u1ee5ng s\u1ebd h\u1ecfi th\u00eam c\u00e1c c\u00e2u h\u1ecfi chuy\u00ean m\u00f4n c\u1ee7a v\u1ecb tr\u00ed n\u00e0y. B\u1ea1n s\u1ebd c\u1ea7n ph\u1ea3i chu\u1ea9n b\u1ecb ki\u1ebfn th\u1ee9c t\u1ed1t \u0111\u1ec3 c\u00f3 th\u1ec3 tr\u1ea3 l\u1eddi \u0111\u01b0\u1ee3c nh\u1eefng c\u00e2u h\u1ecfi n\u00e0y. Bao g\u1ed3m:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Nhom_cau_hoi_co_ban_ve_ReactJS\"><\/span><strong>Nh\u00f3m c\u00e2u h\u1ecfi c\u01a1 b\u1ea3n v\u1ec1 ReactJS<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Nh\u00f3m n\u00e0y bao g\u1ed3m nh\u1eefng c\u00e2u h\u1ecfi nh\u01b0:<\/p>\n\n\n\n<p><strong>C\u00e2u 5:<\/strong> B\u1ea1n bi\u1ebft g\u00ec v\u1ec1 DOM \u1ea3o? Gi\u1ea3i th\u00edch v\u1ec1 cahcs ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Virtual DOM?<\/p>\n\n\n\n<p><strong>C\u00e2u 6:<\/strong> B\u1ea1n c\u00f3 bi\u1ebft \u0111i\u1ec3m kh\u00e1c bi\u1ec7t c\u1ee7a Real DOM v\u00e0 Virtual DOM l\u00e0 g\u00ec kh\u00f4ng?<\/p>\n\n\n\n<p><strong>C\u00e2u 7: <\/strong>JSX l\u00e0 g\u00ec? \u01afu \u2013 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a JSX? V\u00ec sao tr\u00ecnh duy\u1ec7t kh\u00f4ng \u0111\u1ecdc \u0111\u01b0\u1ee3c JSX?<\/p>\n\n\n\n<p><strong>C\u00e2u 8:<\/strong> H\u00e3y n\u00eau s\u1ef1 kh\u00e1c bi\u1ec7t c\u1ee7a ReactJS v\u1edbi React Native, Angular?<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Nhom_cau_hoi_lien_quan_den_React_Component\"><\/span><strong>Nh\u00f3m c\u00e2u h\u1ecfi li\u00ean quan \u0111\u1ebfn React Component<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Nh\u1eefng c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Front-End ReactJS li\u00ean quan \u0111\u1ebfn Component c\u0169ng th\u01b0\u1eddng g\u1eb7p. V\u00ed d\u1ee5 nh\u01b0:<\/p>\n\n\n\n<p><strong>C\u00e2u 9:<\/strong> B\u1ea1n hi\u1ec3u th\u1ebf n\u00e0o v\u1ec1 Component trong React?<\/p>\n\n\n\n<p><strong>C\u00e2u 10: <\/strong>C\u00e1ch t\u1ea1o Component trong React nh\u01b0 th\u1ebf n\u00e0o?<\/p>\n\n\n\n<p><strong>C\u00e2u 11: <\/strong>Ph\u00e2n bi\u1ec7t Class Component v\u00e0 Functional Component? Controlled component v\u00e0 Uncontrolled component?<\/p>\n\n\n\n<p><strong>C\u00e2u 12:<\/strong> H\u00e3y n\u00eau hi\u1ec3u bi\u1ebft v\u1ec1 State, Props trong React?<\/p>\n\n\n\n<p><strong>Xem th\u00eam: <a href=\"https:\/\/topviecit.vn\/blog\/function-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">Function l\u00e0 g\u00ec? B\u00ed m\u1eadt v\u1ec1 Function m\u00e0 d\u00e2n l\u1eadp tr\u00ecnh c\u1ea7n bi\u1ebft<\/a><\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cau_hoi_lien_quan_den_React_Refs\"><\/span><strong>C\u00e2u h\u1ecfi li\u00ean quan \u0111\u1ebfn React Refs<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Nh\u1eefng c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Front-End ReactJS li\u00ean quan \u0111\u1ebfn React Refs v\u00ed d\u1ee5 nh\u01b0:<\/p>\n\n\n\n<p><strong>C\u00e2u 13:<\/strong> B\u1ea1n hi\u1ec3u th\u1ebf n\u00e0o v\u1ec1 Refs trong React? Khi n\u00e0o n\u00ean\/kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng Refs?<\/p>\n\n\n\n<p><strong>C\u00e2u 14:<\/strong> L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ea1o Refs? N\u00eau hi\u1ec3u bi\u1ebft v\u1ec1 forward refs?<\/p>\n\n\n\n<p><strong>C\u00e2u 15: <\/strong>Gi\u1eefa callback refs v\u00e0 findDOMNode (), t\u00f9y ch\u1ecdn n\u00e0o \u0111\u01b0\u1ee3c \u01b0u ti\u00ean h\u01a1n?<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Nhom_cau_hoi_lien_quan_den_React_Router\"><\/span><strong>Nh\u00f3m c\u00e2u h\u1ecfi li\u00ean quan \u0111\u1ebfn React Router<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Nh\u1eefng c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Front-End ReactJS li\u00ean quan \u0111\u1ebfn React Router v\u00ed d\u1ee5 nh\u01b0:<\/p>\n\n\n\n<p><strong>C\u00e2u 16: <\/strong>N\u00eau hi\u1ec3u bi\u1ebft c\u1ee7a b\u1ea1n v\u1ec1 React Router? V\u00ec sao c\u1ea7n s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng n\u00e0y?<\/p>\n\n\n\n<p><strong>C\u00e2u 17:<\/strong> \u01afu \u0111i\u1ec3m c\u1ee7a React Router l\u00e0 g\u00ec?<\/p>\n\n\n\n<p><strong>C\u00e2u 18:<\/strong> \u201cRouter may have only one child element\u201d s\u1ebd xu\u1ea5t hi\u1ec7n c\u1ea3nh b\u00e1o khi n\u00e0o?<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Nhom_cau_hoi_lien_quan_den_React_Style\"><\/span><strong>Nh\u00f3m c\u00e2u h\u1ecfi li\u00ean quan \u0111\u1ebfn React Style:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Nh\u1eefng c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Front-End ReactJS li\u00ean quan \u0111\u1ebfn React Style v\u00ed d\u1ee5 nh\u01b0:<\/p>\n\n\n\n<p><strong>C\u00e2u 19:<\/strong> \u0110\u1ec3 t\u1ea1o Style trong React Component, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng bao nhi\u00eau c\u00e1ch?<\/p>\n\n\n\n<p><strong>C\u00e2u 20:<\/strong> H\u00e3y n\u00eau hi\u1ec3u bi\u1ebft c\u1ee7a b\u1ea1n v\u1ec1 Style Component?<\/p>\n\n\n\n<p><strong>C\u00e2u 21:<\/strong> B\u1ea1n h\u00e3y n\u00eau c\u00e1ch \u0111\u1ec3 s\u1eed d\u1ee5ng Style trong React?<\/p>\n\n\n\n<p><strong>Xem th\u00eam: <a href=\"https:\/\/topviecit.vn\/blog\/cau-phong-van-ios-developer\/\" target=\"_blank\" rel=\"noreferrer noopener\">Top 8 C\u00e2u H\u1ecfi Ph\u1ecfng V\u1ea5n Ph\u1ed5 Bi\u1ebfn Cho IOS Developer<\/a><\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/07\/cau-hoi-phong-van-Front-End-ReactJS-3-topcv.jpg\" alt=\"B\u1ea1n n\u00ean mang theo b\u1ea3n CV c\u1ee9ng khi \u0111i ph\u1ecfng v\u1ea5n Front-End ReactJS\" class=\"wp-image-2247\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/07\/cau-hoi-phong-van-Front-End-ReactJS-3-topcv.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/07\/cau-hoi-phong-van-Front-End-ReactJS-3-topcv-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/07\/cau-hoi-phong-van-Front-End-ReactJS-3-topcv-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>B\u1ea1n n\u00ean mang theo b\u1ea3n CV c\u1ee9ng khi \u0111i ph\u1ecfng v\u1ea5n Front-End ReactJS<\/em><\/figcaption><\/figure><\/div>\n\n\n<p>Tr\u00ean \u0111\u00e2y l\u00e0 nh\u1eefng <strong>c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Front-End ReactJS<\/strong> m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i. Hy v\u1ecdng v\u1edbi nh\u1eefng c\u00e2u h\u1ecfi n\u00e0y, b\u1ea1n s\u1ebd c\u00f3 th\u00eam s\u1ef1 chu\u1ea9n b\u1ecb t\u1ed1t h\u01a1n cho bu\u1ed5i ph\u1ecfng v\u1ea5n s\u1eafp t\u1edbi. B\u00ean c\u1ea1nh \u0111\u00f3, n\u1ebfu b\u1ea1n \u0111ang c\u1ea7n t\u00ecm m\u1ed9t \u0111\u01a1n v\u1ecb <strong><a href=\"https:\/\/tuyendung.topcv.vn\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0111\u0103ng tin tuy\u1ec3n d\u1ee5ng mi\u1ec5n ph\u00ed<\/a><\/strong> hi\u1ec7u qu\u1ea3, h\u00e3y truy c\u1eadp ngay v\u00e0o <a href=\"https:\/\/www.topcv.vn\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>TopCV<\/strong><\/a>. B\u1ea1n s\u1ebd ti\u1ebfp c\u1eadn \u0111\u01b0\u1ee3c v\u1edbi nh\u1eefng tin tuy\u1ec3n d\u1ee5ng v\u1edbi thu nh\u1eadp h\u1ea5p d\u1eabn.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Front-End ReactJS v\u1eabn \u0111ang l\u00e0 m\u1ed9t trong nh\u1eefng v\u1ecb tr\u00ed HOT hi\u1ec7n nay trong l\u0129nh v\u1ef1c IT. N\u1ebfu b\u1ea1n c\u0169ng \u0111ang chu\u1ea9n b\u1ecb \u1ee9ng tuy\u1ec3n v\u1ecb tr\u00ed n\u00e0y, h\u00e3y c\u00f9ng topviecit.vn tham kh\u1ea3o ngay b\u1ed9 c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Front-End ReactJS ngay sau \u0111\u00e2y. Nh\u00f3m c\u00e2u h\u1ecfi ph\u1ecfng Front-End ReactJS kh\u1edfi \u0111\u1ed9ng Nh\u1eefng c\u00e2u h\u1ecfi [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":2250,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"cybocfi_hide_featured_image":"","footnotes":""},"categories":[86,85],"tags":[572,573,571,569,570],"class_list":["post-2246","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chia-se-kinh-nghiem","category-meo-tim-viec","tag-cac-cau-hoi-phong-van-front-end","tag-cau-hoi-phong-van-fresher-front-end","tag-cau-hoi-phong-van-fresher-front-end-reactjs","tag-cau-hoi-phong-van-front-end-reactjs","tag-cau-hoi-phong-van-reactjs"],"yoast_head":"<!-- This site is optimized with the Yoast 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