Assertion: html's element | /r/HasProperty | header
Facets:
Source sentences:
text: Semantic elements: <header>, which creates a header at the top of the page.
text: Element: The header and footer Elements: Introductory/closing content
text: HTML markup includes special "elements" such as <head> , <title> , <body> , <header> , <footer> , <article> , <section> , <p> , <div> , <span> , <img> , <aside> , <audio> , <canvas> , <datalist> , <details> , <embed> , <nav> , <output> , <progress> , <video> , <ul> , <ol> , <li> and many others.
text: As a result, all web pages need to be created separately, even if they use the same elements, e.g. headers and footers.