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安裝中文字典英文字典辭典工具!
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- What is the difference between lt;strong gt; and lt;em gt; tags?
Yeah, the definition of what ‘strong emphasis’ is compared to just ‘emphasis’ is pretty woolly The only standard definition would be “it's emphasised, but more!!”
- Whats the difference between lt;b gt; and lt;strong gt;, lt;i gt; and lt;em gt;?
strong or em means you want the text to be rendered in a way that the user understands as "important" The default is to render strong as bold and em as italics, but some other cultures might use a different mapping Like strings in a program, b and i would be "hard coded" while strong and em would be "localized"
- What is the em font-size unit? How much is it in pixels?
The 'em' unit is equal to the computed value of the 'font-size' property of the element on which it is used The exception is when 'em' occurs in the value of the 'font-size' property itself, in which case it refers to the font size of the parent element It may be used for vertical or horizontal measurement
- Does it matter lt;strong gt; in lt;em gt; or lt;em gt; in lt;strong gt;?
EM: Indicates emphasis STRONG: Indicates stronger emphasis Source The presentation of phrase elements depends on the user agent Generally, visual user agents present EM text in italics and STRONG text in bold font **Speech synthesizer user agents may change the synthesis parameters, such as volume, pitch and rate accordingly So beware
- How does rem differ from em in CSS? - Stack Overflow
While em is relative to the font-size of its direct or nearest parent, rem is only relative to the html (root) font-size em gives the ability to control an area of a design As in, scale the type in that specific area relatively rem gives the ability to scale type across the entire page easily
- html - what is the benefit of lt;em gt; vs lt;i gt;? - Stack Overflow
em has the purpose of giving emphasis to the content In practice emphasised content is typically displayed italicised, so the difference on the face of it is non-existing from a presentation standpoint However, emphasis is semantic while italics is presentation i was deprecated in favour of em to make HTML a truly semantic markup It may
- What is the difference between lt;cite gt;, lt;em gt;, and lt;i gt; tags of HTML?
cite em is HTML 5 - standard, which insists in meaning For a long time, old HTML (like <i> ) is used for layout display But the new standard requires that HTML should only consists of content, leaving layout works for css
- In CSS, what is the difference between VW and EM?
EM, is a measurement of the scale of a font compared to the rules direct parent Several answers here seem to be making some fundamental errors in definitions of font sizes Such as stated: em refers to the current font-size and scalable with respect to it For instance, if the font-size of document is 14px, then 1em = 14px; 2em = 28px and so on
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