Chapter_5_4_1 Thuộc tính className, classList

array(10) { [0]=> object(stdClass)#4368 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "d75MYb0ZWlo" ["related_video_title"]=> string(42) "Chapter_5_3_4 Cập nhập nội dung HTML" ["posted_time"]=> string(25) "3 недели назад" ["channelName"]=> string(15) "Teacher ANH FPT" } [1]=> object(stdClass)#4341 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "6UOrzKmuD9w" ["related_video_title"]=> string(84) "Hiểu cơ bản về ngôn ngữ CSS trong 30 phút | Vũ Nguyễn Coder" ["posted_time"]=> string(19) "1 год назад" ["channelName"]=> string(18) "Vũ Nguyễn Coder" } [2]=> object(stdClass)#4366 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "U7qn3aby7Qo" ["related_video_title"]=> string(74) "Video POSTEST PRAKTIKUM Algoritma dan Pemrograman | Semester 2 | S1TT-12A." ["posted_time"]=> string(21) "7 дней назад" ["channelName"]=> string(15) "Rohaji Prasetyo" } [3]=> object(stdClass)#4373 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "l7lG7vkUM9I" ["related_video_title"]=> string(71) "VIDEO HƯỚNG DẪN TẠO BLOCK THUỘC TÍNH - ATTRIBUTE BLOCK" ["posted_time"]=> string(19) "6 лет назад" ["channelName"]=> string(7) "Than Le" } [4]=> object(stdClass)#4352 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "wkBcEduLga4" ["related_video_title"]=> string(93) "52 - 🔍 Cách So Sánh 2 Object Trong Java Bằng equals() và hashCode()" ["posted_time"]=> string(22) "10 дней назад" ["channelName"]=> string(5) "NgaAK" } [5]=> object(stdClass)#4370 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "RyRq1IJU-sg" ["related_video_title"]=> string(46) "Америка вступает в войну." ["posted_time"]=> string(21) "3 часа назад" ["channelName"]=> string(12) "Mark Solonin" } [6]=> object(stdClass)#4365 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "oYaMJAm2yEc" ["related_video_title"]=> string(49) "Трамп ударил. Иран сдается?" ["posted_time"]=> string(21) "4 часа назад" ["channelName"]=> string(27) "Анатолий Шарий" } [7]=> object(stdClass)#4375 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "aSl29QxEzGQ" ["related_video_title"]=> string(145) "Tin Học Lớp 6 Bài 17 | Chương Trình Máy Tính | Trang 71 – 74 | Kết Nối Tri Thức Với Cuộc Sống" ["posted_time"]=> string(21) "3 года назад" ["channelName"]=> string(12) "THẦY LIÊM" } [8]=> object(stdClass)#4351 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "nrNpwbVlsDg" ["related_video_title"]=> string(107) "VẬT LÍ 11- TÓM TẮT CÔNG THỨC TRỌNG TÂM THI HỌC KÌ 2 - NĂM 2024" ["posted_time"]=> string(19) "1 год назад" ["channelName"]=> string(14) "THẦY LÂM 1E" } [9]=> object(stdClass)#4369 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "u-vvZ3rrxuA" ["related_video_title"]=> string(88) "США вступили в войну / Ядерные объекты атакованы" ["posted_time"]=> string(23) "6 часов назад" ["channelName"]=> string(10) "NEXTA Live" } }