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HTML elements and attributes.html
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HTML elements and attributes.html
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<!DOCTYPE html>
<html lang="en-US"> <!--en:specify the language. US: dialect-->
<body>
<h1>My First Heading</h1>
<p title="About W3Schools">W3Schools is a web developer's site.It provides tutorials and references coveringmany aspects of web programming,including HTML, CSS, JavaScript, XML, SQL, PHP, ASP, etc.</p>
<!--the <p> element has a title attribute-->
<!--When you move the mouse over the element, the title will be displayed as a tooltip.-->
<a href="http://www.w3school.com">This is a link.</a>
<!--tag a 还可以用来打电话，发邮件,打开app和跳转到本文件夹上层的功能和定位（当文章太长一页纸显示不下的事后）-->
<a href="tel:+18062529523">Call Yunyi</a><br>
<a href="mailto:[email protected][email protected]&subject=哈哈&body=吃饭饭">Email Yunyi</a><br>
<a href="facetime:yunyiliu">facetime Yunyi Liu</a><br>
<!--The alt attribute specifies an alternative text to be used, when an HTML element cannot be displayed.-->
<img src="w3school.jpg" alt="W3School.com" width="104" height="142">
<meta charset='UTF-8'>
<!--the meta data should in the head, but it is also works when it used in the body-->
</body>
</html>
<!--The value of the attribute can be read by "screen readers". This way, someone "listening" to the webpage, i.e. a blind person, can "hear" the element.
-->
<!--HTML elements are witten with a start tag, with an end tag, with the conten in the between-->
<!--The document language can be declared in the <html> tag.-->
<！--属性直接跟在tag后面，用一个空格隔开(本段文字的显示需要加meta charset='UTF-8'来实现-->