The difference between similar tags and attributes in html
【1】 and tags
Same: both represent italics.
Difference: (1) represents the emphasized content, is physically italicized and has no content meaning.
(2) tags are tags that "contain semantics" , and search engines will understand these semantics. It is specially set to mean "emphasis" in HTML. When discovering these "emphasis" tags, some screen readers may use a different inflection, which is more beneficial to SEO.
【2】 tags
and
are the same: both have the newline attribute.
Difference:
used alone; performs small line breaks.
Use in pairs; perform large line breaks between paragraphs.
【3】 and tags
is a logical tag that strengthens the tone of the character and expresses emphasis. The specific performance of strong can also be changed through css.
is the entity tag, which means bold.
In order to comply with the current W3C standards, it is recommended to use the strong tag.
【4】 and is the same: container tag is widely used in html language. If you replace " Difference: is that line elements will not wrap before and after it; And 【5】valign and align attributes valign: Represents the verticalalignment of the row [top middle/middle bottom] align: Represents the alignment in the horizontal direction [left center/middle right] 【6】center and middle attributes align=middle Usually the picture is centered align=center Usually text centered Can be used if the effect is the same Usually using center, middle may not work in IE 【7】
Everything between the tags is the content of the button, which includes any acceptable body content, such as text or multimedia content. The only prohibited element is image mapping. Always specify the type attribute for buttons. Internet Explorer is "button", while the default in other browsers (including the W3C specification) is "submit". 【8】text-align:center and text-align does not control the alignment of elements, but only affects the internal content. The element itself does not move from one end to the other, only the text within it is affected. 【9】letter-spacing and word-spacing letter-spacing refers to the spacing between letters; word-spacing refers to words spacing. Chinese is generally letter-spacingControl character spacing word-spacing does not work for Chinese Part of the information comes from (http://blog.sina.com.cn/s/blog_52dbd87601013vmp.html) Infringement deleted You have gone too far, never forget your original intention AI-powered app for creating realistic nude photos Online AI tool for removing clothes from photos. Undress images for free AI clothes remover Swap faces in any video effortlessly with our completely free AI face swap tool! Easy-to-use and free code editor Chinese version, very easy to use Powerful PHP integrated development environment Visual web development tools God-level code editing software (SublimeText3)
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