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@DerivedChannel_StepbyStep
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@stepbystep001

ومـما زادني شـرفـاً وتـيــهـاً
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دخولي تحت قولك يا عبادي
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To play an audio file in HTML, use the element <video>
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16%
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130 voters201 views
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Add mute=1 after autoplay=1 to let your video start playing automatically (but muted)
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126 voters203 views
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XHTML stands for EXtensible HyperText Markup Language
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html is stricter than XHTML
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126 voters211 views
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XHTML is more XML-based version of HTML
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XHTML is HTML defined as an XML application
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XHTML isn’t supported by all major browsers
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XHTML was developed to make HTML more extensible and flexible to work with other data formats (such as XML)
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browsers don’t ignore errors in HTML pages
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XML is a markup language where all documents must be marked up correctly (be "well-formed")
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XHTML comes with a much stricter error handling
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in XHTML <!DOCTYPE>
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mandatory
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not mandatory
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in XHTML The xmlns attribute in <html> is mandatory
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in XHTML The <html>, <head>, <title>, <body> aren’t mandatory
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in XHTML Elements must always be properly nested
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in XHTML Elements must always be closed
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) in XHTML Elements can be in uppercase
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in XHTML Attribute names must always be in lowercase
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in XHTML Attribute values sometimes maybe not quoted
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<img src =”any”>  this represents a valid XHTML
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<img src =”any” />  this represents a valid XHTML
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