HTML 5 / CSS3 Questions and Answers

New and basic in HTML5 & CSS3

Hi,

Lastly I was going through HTML5 and CSS3 and found few basic and good thing.

The thing which I was working for long, without knowing their official name and sometimes clear impact.

Trying to share the same with all  in question and Answer patter J–

 

Think whole HTML page as word Document, use

and in same manner as normally used in Print Media (new paper). Do not use for giving structure to document. Use table when needed.

 

Q : What is section, article and aside?

Ans: All three are new HTML5 tags created for keeping similar items grouped in more logical way.

can replaces overuse of

the same purpose as article inside section.

best used for side bars.

Q: What is orderd, unordered , definition list?

Ans: unordered

, ordered
, definition

Q: What is reset Style sheet?

Ans: It erases all the style applied to a page and give designer to apply his style from scratch.

Example :  in start of page write –

Html,body,table,div,span,object,iframe…etc

Without anystyle with them they are resetting page with 0 style.

Q: Some example of CSS selectors?

Ans: Id selector (getElementByID()), class selector, child selector, sibling selector etc.

Q: What is document Flow?

Ans:  It is a system by which renderer (like browser) renders pieces of visible content on screen so that they flow one after another in predictable way.

Q: What is CSS Box Model?

Ans: A simple rectangular box which makes visible box on screen, not only but many more things like text also makes css box model. Display : block or display : none is example. It can be defined as –

·         Content area

·         Border area

·         Padding area

·         Margin area

Q: What is @Media Query?

Ans : lets developer to specify device specific properties, so for table that section will render and for phone another, No more dependency on ‘useragent’ to find out the type of browser.

@media scree and (max-width: 520px)

{

//mention your phone style here

}

Q: What is anonymous function in JavaScript?

Ans : function who does not have assigned name and can be used as return from another function,as call back function, self invoking function.

Function()

{

//code

}

Q: What is self-invoking function?

Ans: The function that are executed as soon as they defined.

Function ()

{

}();

This is important from safety of global variable as they can be accessed and overridden by any function .

Q : What is web storage?

Ans : 2 types of web storage – sessionStorage and localStorage.

 

Keep upgrading !!