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CSS: Different versions with variations

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CSS 1: The first CSS specification to become an official W3C Recommendation is CSS level 1, published in December 1996. Among its capabilities are support for     Font properties such as typeface and emphasis     Color of text, backgrounds, and other elements     Text attributes such as spacing between words, letters, and lines of text     Alignment of text, images, tables and other elements     Margin, border, padding, and positioning for most elements     Unique identification and generic classification of groups of attributes The W3C no longer maintains the CSS 1 Recommendation.
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JavaScript Switch Statement

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Use the switch statement to select one of many blocks of code to be executed. Syntax switch(n) { case 1:   execute code block 1   break; case 2:   execute code block 2   break; default:   code to be executed if n is different from case 1 and 2 } Example: var day=new Date().getDay(); switch (day) { case 0:   x="Today it's Sunday";   break; case 1:   x="Today it's Monday";   break; case 2:   x="Today it's Tuesday";   break; case 3:   x="Today it's Wednesday";   break; case 4:   x="Today it's Thursday";   break; case 5:   x="Today it's Friday";   break; case 6:   x="Today it's Saturday";   break; }
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Javascript conditional statement

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When you need to make program to make decisions, conditional statements are used. In javascript we have following conditional statements:  if statement - use this statement to execute some code only if a specified condition is true if...else statement - use this statement to execute some code if the condition is true and another code if the condition is false  if...else if....else statement (nesting of if else)- use this statement to select one of many blocks of code to be executed switch statement - use this statement to select one of many blocks of code to be executed If Statement: Executes the code if a specific code is true Syntax: if(condition) { code } Example: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=u...
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Comparison and Logical Operators

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Comparison and Logical operators are used to test for true or false. Comparison Operators  Comparison operators are used in logical statements to determine equality or difference between variables or values. Given that x=5, the table below explains the comparison operators: Operator Description Comparing Returns == is equal to x==8 false x==5 true === is exactly equal to (value and type) x==="5" false x===5 true != is not equal x!=8 true !== is not equal (neither value nor type) x!=="5" true x!==5 false > is greater than x>8 false < is less than x<8 true >= is greater than or equal to x>=8 false <= is less than or equal to x<=8 true Logical Operators Logical operators are used to determine the logic between variables or values. Given that x=6 and y=3 , the table below explains the logical operators: Operator Description Example ...
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Doctype Defination

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A Document Type Declaration, or DOCTYPE, is an instruction that associates a particular SGML or XML document (for example, a webpage) with a Document Type Definition (DTD). Syntax The general syntax for a document type declaration is: <!DOCTYPE root-element PUBLIC "FPI" ["URI"] [ <!-- internal subset declarations --> ]>
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Accessible Forms

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Forms aren't the easiest of things to use for people with disabilities. Navigating around a page with written content is one thing, hopping between form fields and inputting information is another. Because of this, it is a good idea to add a number of elements to the form. Labels Each form field should have its own label. The label tag sorts this out, with a for attribute that associates it to a form element:
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Advanced Tables

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Okay till now, you must be confident with creating tables and its tags. You have already done or used tags like table, tr, td, th and even rowspan and colspan. So now I am moving on to the advance tutorial of the table tags. Those are as below: colgroup and col summary and caption headers, footers and scrolling table
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