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: 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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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: 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 <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
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: 14-06-2016
The <datalist> element is used to create a list of pre-defined values. The list is later associated to an <input> element through the list attribute to give the user a list of values to choose from. This element works along with the <option> element to define each option on th...
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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 <label> element provides a label (caption) for a control in a form. The elements includes opening and closing tags to enclose the control (<label> and </label>) and the following attributes for configuration.   for - This attribute associates the label to a contr...
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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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