Html5 And Css3 Interview Questions And Answers Pdf


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html5 and css3 interview questions and answers pdf

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CSS3 Interview Questions

Dear readers, these HTML5 Interview Questions have been designed specially to get you acquainted with the nature of questions you may encounter during your interview for the subject of HTML5. As per my experience good interviewers hardly plan to ask any particular question during your interview, normally questions start with some basic concept of the subject and later they continue based on further discussion and what you answer:.

HTML5 introduces a number of new elements and attributes that helps in building a modern websites. Forms 2. HTML5 is designed, as much as possible, to be backward compatible with existing web browsers. New features build on existing features and allow you to provide fallback content for older browsers. This tag represents a generic document or application section. It can be used together with h1-h6 to indicate the document structure.

This tag represents an independent piece of content of a document, such as a blog entry or newspaper article. This tag represents a footer for a section and can contain information about the author, copyright information, et cetera.

This tag can be used to associate a caption together with some embedded content, such as a graphic or video. A custom data attribute starts with data- and would be named based on your requirement. The above will be perfectly valid HTML5 with two custom attributes called data-subject and data-level.

Web Forms 2. It represents a date and time year, month, day, hour, minute, second, fractions of a second encoded according to ISO with the time zone set to UTC. It represents a date and time year, month, day, hour, minute, second, fractions of a second encoded according to ISO with no time zone information. This control accepts only numerical value.

The step attribute specifies the precision, defaulting to 1. This accepts only email value. This type is used for input fields that should contain an e-mail address. If you try to submit a simple text, it forces to enter only email address in email example. This accepts only URL value. This type is used for input fields that should contain a URL address. HTML5 introduced a new attribute called placeholder. The placeholder text must not contain carriage returns or line-feeds.

This is a simple one-step pattern, easily programmed in JavaScript at the time of document load, automatically focus one particular form field. HTML5 introduced a new attribute called required which would insist to have a value in an input control. Cookies are included with every HTTP request, thereby slowing down your web application by transmitting the same data. Cookies are included with every HTTP request, thereby sending data unencrypted over the internet.

HTML5 introduces the sessionStorage attribute which would be used by the sites to add data to the session storage, and it will be accessible to any page from the same site opened in that window i. HTML5 introduces the localStorage attribute which would be used to access a page's local storage area without no time limit and this local storage will be available whenever you would use that page.

The Session Storage Data would be deleted by the browsers immediately after the session gets terminated. To clear a local storage setting you would need to call localStorage. If you want to clear all settings, you need to call localStorage.

The event streaming approach opens a persistent connection to the server, sending data to the client when new information is available, eliminating the need for continuous polling. Following example would send Server-Time as event name terminated by a new line character.

Web Sockets is a next-generation bidirectional communication technology for web applications which operates over a single socket and is exposed via a JavaScript interface in HTML 5 compliant browsers.

Once you get a Web Socket connection with the web server, you can send data from browser to server by calling a send method, and receive data from server to browser by an onmessage event handler.

Here first argument, url, specifies the URL to which to connect. The second attribute, protocol is optional, and if present, specifies a sub-protocol that the server must support for the connection to be successful. The readonly attribute readyState represents the state of the connection. It can have the following values:. The readonly attribute bufferedAmount represents the number of bytes of UTF-8 text that have been queued using send method.

It can be used to draw graphs, make photo compositions or do simple and not so simple animations. The current HTML5 draft specification does not specify which audio formats browsers should support in the audio tag. But most commonly used audio formats are ogg, mp3 and wav. An audio element allows multiple source elements and browser will use the first recognized format. The current HTML5 draft specification does not specify which video formats browsers should support in the video tag.

A Javascript can capture your latitude and longitude and can be sent to backend web server and do fancy location-aware things like finding local businesses or showing your location on a map. Today most of the browsers and mobile devices support Geolocation API. The geolocation APIs work with a new property of the global navigator object ie.

Geolocation object which can be created as follows:. The geolocation object is a service object that allows widgets to retrieve information about the geographic location of the device. Web Workers do all the computationally expensive tasks without interrupting the user interface and typically run on separate threads. Web Workers allow for long-running scripts that are not interrupted by scripts that respond to clicks or other user interactions, and allows long tasks to be executed without yielding to keep the page responsive.

Further you can go through your past assignments you have done with the subject and make sure you are able to speak confidently on them. If you are fresher then interviewer does not expect you will answer very complex questions, rather you have to make your basics concepts very strong.

Second it really doesn't matter much if you could not answer few questions but it matters that whatever you answered, you must have answered with confidence. So just feel confident during your interview.

We at tutorialspoint wish you best luck to have a good interviewer and all the very best for your future endeavor. Cheers Previous Page. Next Page. This tag represents a piece of content that is only slightly related to the rest of the page. This tag represents a section of the document intended for navigation. It represents a date year, month, day encoded according to ISO It represents a date consisting of a year and a month encoded according to ISO It represents a date consisting of a year and a week number encoded according to ISO It represents a time hour, minute, seconds, fractional seconds encoded according to ISO The range type is used for input fields that should contain a value from a range of numbers.

Cookies are limited to about 4 KB of data. Not enough to store required data. Server-sent events standardizes how we stream data from the server to the client. It can have the following values: A value of 0 indicates that the connection has not yet been established.

A value of 1 indicates that the connection is established and communication is possible. A value of 2 indicates that the connection is going through the closing handshake. A value of 3 indicates that the connection has been closed or could not be opened.

This method retrieves the current geographic location of the user. This method retrieves periodic updates about the current geographic location of the device. Previous Page Print Page. Dashboard Logout.

CSS Interview Questions

It is a simple yet advanced design language aimed to simplify the process of making web pages more presentable. We will discuss a set of most interviewer asked CSS3 interview questions further here for your acknowledgment. Here in this article, we will be listing frequently asked CSS3 interview questions and Answers with the belief that they will be helpful for you to gain higher marks. Also, to let you know that this article has been written under the guidance of industry professionals and covered all the current competencies. Users can set multiple effects to a portion separated by commas.

In every industry, the use of websites and web applications is increasing day by day, and CSS is an essential part to build attractive websites. Following is a list of CSS3 interview questions and answers, which are frequently asked during the interview or viva exam. Candidates are likely to be asked basic to advanced level CSS interview questions and answers depending on various factors. The below list covers all the important CSS3 questions for freshers and experienced professionals. This CSS interview questions guide will help you clear the interview and help you get your dream job. It is a styling language which is simple enough for HTML elements.


What is HTML5? What is


Html5 Interview Questions and Answers

Dear readers, these HTML5 Interview Questions have been designed specially to get you acquainted with the nature of questions you may encounter during your interview for the subject of HTML5. As per my experience good interviewers hardly plan to ask any particular question during your interview, normally questions start with some basic concept of the subject and later they continue based on further discussion and what you answer:. HTML5 introduces a number of new elements and attributes that helps in building a modern websites. Forms 2. HTML5 is designed, as much as possible, to be backward compatible with existing web browsers.

What is the difference between Canvas and SVG graphics? What are web workers and why do we need them? How can we add and remove data from local storage?

SVG images can be created and edited with any text editor SVG images can be searched, indexed, scripted, and compressed SVG images are scalable SVG images can be printed with high quality at any resolution SVG images are zoomable and the image can be zoomed without degradation. You can attach JavaScript event handlers for an element. In SVG, each drawn shape is remembered as an object.

CSS3 Interview Questions and Answers for Freshers

A list of top frequently asked CSS interview questions and answers are given below. It is a popular styling language which is used with HTML to design websites. More details

When the animation is created in the keyframe, bind it to a selector, otherwise, the animation will have no effect. Flexible boxes, or flexbox, is a new layout mode in CSS3. Flexbox consists of flex containers and flex items.

In technical terms, HTML5 defines behaviours and properties of content on a web page by implementing a markup-based pattern to it. HTML5 is among the highest-paying web technologies as of today. Hence, it is an ideal time to learn HTML5. If you've already done so, then you must look forward to grabbing a lucrative HTML5-based job. The same is not available in HTML. There is no way of drawing shapes like circles, rectangles, and triangles in HTML. The same can be drawn in HTML5.

Extensions to the JavaScript API such as geolocation and drag-and-drop as well for storage and caching. Several new semantic tags were also added to complement the structural logic of modern web applications. Web workers at long last bring multi-threading to JavaScript. A web worker is a script that runs in the background i.

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Melibeo C.
06.04.2021 at 10:05 - Reply

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07.04.2021 at 02:07 - Reply

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