Last Update: 14-06-2016
The <iframe> element loads another document inside the current document. The element includes an opening and a closing tag (<iframe> and </iframe>) and several attributes for configuration.   src - This attribute defines the URL of the document to be loaded insi...
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Last Update: 14-06-2016
The <fieldset> and <legend> elements are used to group controls together. The <fieldset> element groups the form elements and the <legend> element provides the label (caption) for the group. The <fieldset> element includes the following attributes for configur...
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Last Update: 01-06-2016
Block elements like <div>, <section> and <aside> generate boxes that we can use to organize the document's content. The styles assigned by browsers to block elements position the elements one per line, but we can use CSS properties to change their sizes and...
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Last Update: 14-06-2016
The <canvas> element creates a surface or area in the document to display graphics. The element includes an opening and a closing tag (<canvas> and </canvas>) and the following attributes to define the size of the area.   width - This attribute sets the area's width. heig...
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Last Update: 14-06-2016
HTML (HyperText Markup Language) is a markup language composed by a set of tags that organize and declare a purpose for the content of the document. These tags are keywords surrounded by angle brackets (e.g., <html>). They may include attributes (e.g., <html lang="en">) and be accom...
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Last Update: 09-06-2016
The <ol> element creates an ordered list of items. The element is composed by an opening and a closing tag (<ol> and </ol>) and it includes the following attributes to configure the list.   reversed - This attribute reverse the order of the indicators. start - This a...
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Last Update: 06-06-2016
The <b> element is used to mark text that stands out from the rest of the text for some reason, like when the text represents a movie title or a name. By default, browsers show its content in bold, but the styles can be changed from CSS. The element is composed by an opening and...
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Last Update: 02-06-2016
The <nav> element creates a division in the document to present navigational aid, such as the page's menu. By default, the <nav> element is defined as a block element, which means that it will be positioned in a new line and have dimensions determined by the space available or ...
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Last Update: 01-06-2016
The <html> element is the root element of every HTML document. It is composed by opening and closing tags (<html> and </html>) that enclose the rest of the HTML code in the document. This element may include attributes to define some aspects of the code and the docum...
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Last Update: 26-05-2016
The string-type selectors were deprecated in Swift 2.2. From Xcode 7.3.1 you will get a warning message if you define a selector using just a string (e.g., addTarget(self, action: "showCounter:", forControlEvents: .TouchUpInside)). These selectors will work until Swift 3.0 is int...
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