Last Update: 26-05-2016
The C-style for loop was deprecated in Swift 2.2, leaving only the for in option available. From Xcode 7.3.1 you will get a warning message if you create a loop with a C-style for (e.g., for var counter = 0; counter < 5; counter++). These loops will work until Swift 3.0 is introduc...
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Last Update: 12-06-2016
The <textarea> element creates a text box where the user can insert multiple lines of text. The element includes an opening and a closing tag (<textarea> and </textarea>) and several attributes for configuration. The following are the most frequently used:   name - T...
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Last Update: 08-06-2016
The <source> element defines a possible source for the <picture>, <video> and <audio> elements. The element includes multiple attributes to configure the source. The attributes and their values declared depend on the type of source we want to load. The following are...
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Last Update: 06-06-2016
The <mark> element is another element used to highlight text. In this case, the <mark> element is used to highlight part of a text that wasn't considered important but is now relevant because of a new situation, such as when you need to highlight a term searched by the user. By defa...
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Last Update: 06-06-2016
The <i> element marks relevant text, like technical terms or foreign words. By default, browsers show its content in italic, but the styles can be changed from CSS. The element is composed by an opening and a closing tag (<i> and </i>) and don't have any attributes o...
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Last Update: 14-06-2016
The <output> element is used to show the result produced by a form. The element includes opening and closing tags to enclose the result (<output> and </output>) and a few attributes for configuration.   name - This attribute assigns a name to the element that can be ...
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Last Update: 14-06-2016
The <button> element creates a generic button. The element includes an opening and a closing tag (<button> and </button>) and several attributes for configuration. The following are the most frequently used.   name - This attribute assigns a name to the element that can b...
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Last Update: 14-06-2016
The <meter> element is used to represent a value within a range. This element can be used alone but it is frequently included in web forms to represent values inserted by the user or produced by the form. The element includes an opening and a closing tag (<meter> and </meter>)...
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Last Update: 14-05-2016
When an error occurs and the server can't return a document, it returns a message describing the error. This is a generic text that tells the user that something went wrong. For example, the following is the error you get if you try to access a folder without authorization.     As you can ...
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Last Update: 13-06-2016
The <input> element creates controls to let the user insert information. The element is used along with the <form> element to create web forms. It is a single tag element that includes several attributes for configuration. The following are the most frequently used:   type...
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