Do all html tags have an end tag

A void element is an cannot have any child nodes (i.e., nested elements or text nodes). Void elements only have a start tag; end tags must not be specified for void elements. In HTML, a void element must not have an end tag. For example, is invalid HTML. In contrast, SVG or MathML elements that cannot have any child nodes may use an end tag instead of XML self-closing-tag syntax in their start tag. The Although there is no way to mark up a void element as having any children, child nodes can be added programmatically to the element in the DOM using JavaScript. But that is not a good practice, as the outcome will not be reliable. The void elements in HTML are as follows: • • • • • • • • • • • Deprecated • • • Self-closing tags ( ) do not exist in HTML. If a trailing / (slash) character is present in the start tag of an HTML element, HTML parsers ignore that slash character. This is important to remember when an element such as or does require a closing tag. In this case, adding a trailing slash in the start tag does not close the element. However, some code formatters add the trailing slash character to the start tags of void elements to make them XHTML-compatible and more readable. For example, some code formatters will convert to . Self-closing tags are required in void elements in ). In SVG and MathML, elements that cannot have any child nodes are allowed to be marked as self-closing. In such cases, if an element's start tag is marked as self-closing, t...

About HTML Tags The above code is an example of a basic web page. It contains text, surrounded by Any web page you build will almost certainly start with the above HTML elements. You can then add more elements — such as images, forms, tables, etc — as required. We'll be adding more HTML tags throughout this tutorial. In case you're wondering, HTML stands for HyperText Markup Language— it is the language that describes the structure and meaning of web pages. Using HTML Tags HTML elements usually consist of a start and end tag. The end tag is the same as the start tag, but with a forward slash inserted before the tag name. So a paragraph's start tag looks like this and its end tag looks like this . Any contents are inserted between the start and end tags. Like this: Content goes here... You might have noticed that the browser doesn't display the actual tags. But this doesn't mean that it ignores the tags. The browser interprets the tags to determine what to display to the user. So when it sees text surrounded by tags for example, it knows to display that text as a level one heading. And if it sees tags, it will display a paragraph. Like this: End tags are not allowed on void elements—they must have a start tag only. However, some (non-void) elements' start and/or end tag can be omitted in certain circumstances. But this is optional. The rules around this are quite complex and depend on the tags involved, so it's usually safer just to use start and end tags unless you know...

• • • • Question:1) What is HTML? 2) What are Tags? 3) Do all HTML tags have an end tag? 4) What is formatting in HTML? 5) How many types of heading does an HTML contain? 6) How to create a hyperlink in HTML? 7) Which HTML tag is used to display the data in the tabular form? 8) What are some common lists that are used when designing a page? 9) What is the difference 1) What is HTML? 2) What are Tags? 3) Do all HTML tags have an end tag? 4) What is formatting in HTML? 5) How many types of heading does an HTML contain? 6) How to create a hyperlink in HTML? 7) Which HTML tag is used to display the data in the tabular form? 8) What are some common lists that are used when designing a page? 9) What is the difference between HTML elements and tags? 10) What is semantic HTML?

Is it necessary to write , and tags? For example, I can make such a page: Page TitleSome html And The But I rarely see this practice on the web. Is there a reason to write these tags? Omitting the html, head, and body tags is certainly allowed by the HTML specifications. The underlying reason is that browsers have always sought to be consistent with existing web pages, and the very early versions of HTML didn't define those elements. When HTML first did, it was done in a way that the tags would be inferred when missing. I often find it convenient to omit the tags when prototyping and especially when writing test cases as it helps keep the markup focused on the test in question. The inference process should create the elements in exactly the manner that you see in Firebug, and browsers are pretty consistent in doing that. But... Test case You should (and do in other browsers) get a HTML HEAD TITLE BODY FORM action="#" INPUT name="var1" But in Internet Explorer you get this: HTML HEAD TITLE FORM action="#" BODY INPUT name="var1" BODY This bug seems limited to the form start tag preceding any text content and any body start tag. @Justin - Those restrictions are largely technical and won't ordinarily affect you. So yes, if it matters to your page whether a comment node or white space appears just before the head element or just inside it, (the page's JS could depend on it) then you must explicitly identify the head start tag to make that relationship correct. But if it doesn...

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