Test Code – HTML/CSS/JS Playground

Dán/viết mã ở khung trái, xem trước ở khung phải. Tách biệt bằng iframe an toàn.
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Đầu vào

Gõ hoặc dán HTML (kèm CSS/JS). Preview an toàn bằng iframe sandbox. Không dùng document.write.
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`sandbox` chặn việc truy cập trang mẹ; vẫn cho phép script chạy trong khung.
CSS của trang công cụ này được viết cục bộ trong #atn-playground, không ảnh hưởng giao diện chung của blog.
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_WidgetManager._RegisterWidget('_BlogSearchView', new _WidgetInfo('BlogSearch01', 'sec_Header_Search', document.getElementById('BlogSearch01'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_TextListView', new _WidgetInfo('TextList01', 'sec_Header_Icon', document.getElementById('TextList01'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_ProfileView', new _WidgetInfo('Profile01', 'sec_Header_Icon', document.getElementById('Profile01'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList02', 'sec_Header_Icon', document.getElementById('LinkList02'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList03', 'sec_Header_Icon', document.getElementById('LinkList03'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_PageListView', new _WidgetInfo('PageList01', 'sec_Nav_Widgets_1', document.getElementById('PageList01'), {'title': 'Navigation Menu (Simple)', 'links': [{'isCurrentPage': false, 'href': '#', 'title': 'Home'}, {'isCurrentPage': false, 'href': 'https://nmhruby.blogspot.com/p/gioi-thieu-ban-than.html', 'id': '2816303136535450787', 'title': 'Gi\u1edbi Thi\u1ec7u B\u1ea3n Th\xe2n'}, {'isCurrentPage': false, 'href': 'https://hungthichcode.github.io/nmhruby/', 'title': 'BIO-Link'}, {'isCurrentPage': false, 'href': 'https://nmhruby.blogspot.com/p/upload-anh-lay-link.html', 'id': '3695829019956512355', 'title': 'Upload Image get Link'}, {'isCurrentPage': true, 'href': 'https://nmhruby.blogspot.com/p/chay-code-online.html', 'id': '7096679612498776591', 'title': 'Ch\u1ea1y Code Online'}], 'mobile': false, 'showPlaceholder': true, 'hasCurrentPage': true}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_PageListView', new _WidgetInfo('PageList02', 'sec_Nav_Widgets_2', document.getElementById('PageList02'), {'title': 'Additional Links', 'links': [{'isCurrentPage': false, 'href': 'https://nmhruby.blogspot.com/sitemap.xml', 'title': 'Sitemap'}], 'mobile': false, 'showPlaceholder': true, 'hasCurrentPage': false}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList06', 'sec_Under_Header', document.getElementById('LinkList06'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList07', 'sec_Under_Header', document.getElementById('LinkList07'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_FeaturedPostView', new _WidgetInfo('FeaturedPost01', 'sec_Top_Widgets', document.getElementById('FeaturedPost01'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_BlogView', new _WidgetInfo('Blog01', 'sec_Main_Widgets', document.getElementById('Blog01'), {'cmtInteractionsEnabled': false, 'lightboxEnabled': true, 'lightboxModuleUrl': 'https://www.blogger.com/static/v1/jsbin/743568687-lbx__vi.js', 'lightboxCssUrl': 'https://www.blogger.com/static/v1/v-css/828616780-lightbox_bundle.css'}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList08', 'sec_Main_Widgets', document.getElementById('LinkList08'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML11', 'sec_Main_Widgets', document.getElementById('HTML11'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_PopularPostsView', new _WidgetInfo('PopularPosts01', 'sec_Side_Widgets', document.getElementById('PopularPosts01'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_LabelView', new _WidgetInfo('Label01', 'sec_Side_Widgets', document.getElementById('Label01'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML404', 'sec_Error_404', document.getElementById('HTML404'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_ImageView', new _WidgetInfo('Image21', 'sec_Footer_Organization', document.getElementById('Image21'), {'resize': true}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList21', 'sec_Footer_Organization', document.getElementById('LinkList21'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList22', 'sec_Footer_Widgets', document.getElementById('LinkList22'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList23', 'sec_Footer_Widgets', document.getElementById('LinkList23'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList25', 'sec_Footer_Widgets', document.getElementById('LinkList25'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML21', 'sec_Footer_Bottom', document.getElementById('HTML21'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_TextListView', new _WidgetInfo('TextList99', 'sec_Mobile_Menu', document.getElementById('TextList99'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_LabelView', new _WidgetInfo('Label41', 'sec_Theme_Hidden', document.getElementById('Label41'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_ContactFormView', new _WidgetInfo('ContactForm41', 'sec_Theme_Hidden', document.getElementById('ContactForm41'), {'contactFormMessageSendingMsg': '\u0110ang g\u1eedi...', 'contactFormMessageSentMsg': 'Th\u01b0 c\u1ee7a b\u1ea1n \u0111\xe3 \u0111\u01b0\u1ee3c g\u1eedi.', 'contactFormMessageNotSentMsg': 'Kh\xf4ng th\u1ec3 g\u1eedi th\u01b0.\xa0Vui l\xf2ng\xa0th\u1eed l\u1ea1i sau.', 'contactFormInvalidEmailMsg': 'C\u1ea7n nh\u1eadp \u0111\u1ecba ch\u1ec9 email h\u1ee3p l\u1ec7.', 'contactFormEmptyMessageMsg': 'Tr\u01b0\u1eddng th\u01b0 kh\xf4ng th\u1ec3 \u0111\u1ec3 tr\u1ed1ng.', 'title': '\u09af\u09cb\u0997\u09be\u09af\u09cb\u0997 \u09ab\u09b0\u09cd\u09ae', 'blogId': '1277427322671476746', 'contactFormNameMsg': 'T\xean', 'contactFormEmailMsg': 'Email', 'contactFormMessageMsg': 'Th\xf4ng b\xe1o', 'contactFormSendMsg': 'G\u1eedi', 'contactFormToken': 'AOuZoY6z9i_vS-G3H6ErAvNaoOQAdPupMg:1759476591239', 'submitUrl': 'https://www.blogger.com/contact-form.do'}, 'displayModeFull'));
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_WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList61', 'sec_Addon_Widgets', document.getElementById('LinkList61'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList62', 'sec_Addon_Widgets', document.getElementById('LinkList62'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList63', 'sec_Addon_Widgets', document.getElementById('LinkList63'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_ImageView', new _WidgetInfo('Image61', 'sec_Addon_Widgets', document.getElementById('Image61'), {'resize': false}, 'displayModeFull'));
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