The following is my attempt to write down some of the stuff that I’ve read and thought about when trying to come up with interview questions to ask software engineer applicants. Placing the scripts at the bottom will allow the HTML to be parsed and displayed to the user first. WAI-ARIA. ARIA is created to improve accessibility in web applications. When you have multiple images/ icons, browser makes separate call to the server for each one of them. pseudo class tells you specific state of an element. A DTD defines how documents of a certain type should be structured (i.e. "May 31, 2012" in the U.S. vs. "31 May 2012" in parts of Europe. This means that the following are both acceptable: yes. The mission of the W3C is to lead the Web to its full potential by developing relevant protocols and guidelines.This is achieved primarily by creating and publishing Web standards. Datalist Tag: allows to attach a list of suggestions to a text input element.As soon as the user begins to type in the text field, the list of suggestions appears and the user can choose from the suggestions with the mouse. Interview Questions. The selection of an element based on its occurrence in relation to another element (chosen by the choice of combinator: whitespace, >, +, or ~). Read more on collapsing margins. The font-variant property is used to create a small-caps effect. Universal selectors are generally discouraged for performance reasons. In a browser, this API is available to JavaScript where DOM nodes can be manipulated to change their styles, contents, placement in the document, or interacted with through event listeners. u can choose from: grayscale, blur, opacity, brightness, contrast. making it easier to reason about the layout of elements on the page. Gzipping generally reduces the response size by about 70%. It overrides the cascade and gives the style rule the highest precedence. you can have responsive fonts. This could be a forum post, a magazine or newspaper article, a blog entry, a user-submitted comment, an interactive widget or gadget, or any other independent item of content. It has been used in Bootstrap for years and has been proven to work. The DOCTYPE declaration for the HTML5 standards is . It also corrects bugs for common browser dependencies. Use a sprite generator that packs multiple images into one and generate the appropriate CSS for it. The browser would then choose the image with a resulting ratio closer to 2 which is 1000w (3.125). The returned HTML document should also declare the lang attribute in the tag, such as .... Do not concatenate translated strings Do not do anything like "The date today is " + date. These HTML Interview Questions and Answers will help you get through your interviews. Browsers match selectors from rightmost (key selector) to left. mm millimeters In the example below, everything found between the curly braces (not including the comments) is a declaration block: The universal selector matches any element within the context in which it’s placed in a selector. It also runs the scripts in order. absolute, place an element exactly where you want to place it. Answer: HTML stands for Hypertext Markup Language. In case the image is unavailable for viewing, text is shown with the alt tag. pc picas (1 pc = 12 pt = 1/6th of an inch) We can eliminate unnecessary request; combined files: js to a file, css to a file. Language reading direction In English, we read from left-to-right, top-to-bottom, in traditional Japanese, text is read up-to-down, right-to-left. text, an image, etc.) You should ideally use pseudo-elements with “::” instead of “:” (but most browsers accept “:” notation for CSS 2.1 pseudo-elements). Float is a CSS positioning property. All gists Back to GitHub. Question2: What type of web application can built using Express JS? GitHub Gist: instantly share code, notes, and snippets. The only difference is where they inherit their values from. Browsers by default render DOM elements according to the device resolution, except for images. HTML is short for HyperText Markup Language and is the language of the World Wide Web. Excludes padding, border and margin from the inner dimensions. Putting stylesheets near the bottom of the document is what prohibits progressive rendering in many browsers. JavaScript will be used to load an image when the user scrolls into the part of the page that displays the image. POST is implemented in the browsers as a two-step process: sending the headers first, then sending data. GitHub Gist: instantly share code, notes, and snippets. It is illegal to put block element inside inline element. E.g. Preprocessor helps you to speed up develop, maintain, ensure best practices and also confirms concatenation, compression, etc. The at-rule is not just the @media or @import part at the beginning; the entire instruction comprises the complete at-rule. Instantly share code, notes, and snippets. This is almost the first instance of CSS modifying the HTML document tree. The site detects the type of device used and delivers the pre-set layout for that device. If the resolution is retina (2x), the browser will use the closest resolution above the minimum. An iframe is an HTML document which can be embedded inside another HTML page. There can be more than 1 element with the same classname. Auto: Sets the stack order equal to its parents. Both responsive and adaptive design attempt to optimize the user experience across different devices, adjusting for different viewport sizes, resolutions, usage contexts, control mechanisms, and so on. Writing plain CSS and applying the plugin to output necessary syntax that suits your needs – which in turn allows for the ability to remove or update that plugin if at any time it is not useful anymore. Math operations: can be used for standard arithmetic or unit conversions. Images can be some of the heaviest files we deliver, so compress wisely. Learn more. For more information, see our Privacy Statement. They are less of an issue with free-flowing text such as body text or comments. Both are needed to create the visuals in a website, allowing for a quick "first meaningful paint" timing. Versions of POSTCSS have been developed for both Grunt and Gulp. Some of these questions are pretty hard and inappropriate for most interviews. We are using server side rendering for two reasons: The main difference is that for SSR your server’s response to the browser is the HTML of your page that is ready to be rendered, while for CSR the browser gets a pretty empty document with links to your javascript. sprite is a technique to combine all/ some of them (usually similar one in terms of type of image. This technique is used to display the designed page perfectly on every screen size and device. Some browsers block rendering to avoid having to repaint elements of the page if their styles change. It's best to avoid designing where the amount of text would make or break a design. You can set the which property you want to transition, duration, how you want to transit (linear, ease, ease-in, ease-out, cubic-bezier) and delay when transition will start. You can always update your selection by clicking Cookie Preferences at the bottom of the page. and that is compiled to css. for example, you can style. By using it, you can control the styles of multiple documents from one file. Ability to select only the plugins you need for a particular project.
, represents a complete, or self-contained, composition in a document, page, application, or site and that is, in principle, independently distributable or reusable, e.g. IE11) will ignore it and use src instead. border. The interview can also last for only one round asking questions about some of the regularly used tags or listing out the differences between HTML versions (4 & 5). Web page designs are getting richer and richer, which means more scripts, stylesheets, images, and Flash in the page. Flexbox or Flexible boxes, is a new layout mode in CSS3 Use of flexbox ensures that elements behave predictably when the page layout must accommodate different screen sizes and different display devices. The BEM methodology is a naming convention for CSS classes in order to keep CSS more maintainable by defining namespaces to solve scoping issues. Each box/ content area is optionally surrounded by padding, border and margin. HTML stands for Hyper Text Markup Language. Quirks mode was to support websites built before standards became widely implemented. If a user agent doesn't recognize a correct DOCTYPE, it will trigger the quirks mode. The element is treated as relative positioned until it crosses a specified threshold, at which point it is treated as fixed positioned. there are couple of different ways to solve this problem and one of them are positioning. In the future we're likely to use both: Grid Layout for main page areas, and flexbox for the smaller UI elements it excels with. It allows for the easy reuse of blocks of code. HTML elements can be assigned multiple classes by listing the classes in the class attribute, with a blank space to separate them. if you set, 'float: left;' for an image, it will move to the left until the margin, padding or border of another block-level element is reached. a button can contain a span but not a div), whereas a DOCTYPE declares what DTD a document supposedly respects (i.e. In CSS3, Transforms (matrix, translate, rotate, scale etc.)
, group of content inside is related to a single theme, and should appear as an entry in an outline of the page. Whenever browser hits a new tag it automatically ends the previous tag. Less is written in JavaScript, which plays well with Node. content-box default. The first value is the image name and the second is the width of the image in pixels. import: separating your codes in small pieces is helpful for expressing your declarations and increasing maintainability and control over the codebase. Mindmajix offers Advanced GitHub Interview Questions 2019 that helps you in cracking your interview & acquire dream career as GitHub Developer. Language reading direction - In English, we read from left-to-right, top-to-bottom, in traditional Japanese, text is read up-to-down, right-to-left. Hey @gohilumesh I'm trying to collect only HTML/CSS questions :) Thank you! CSS Interview Questions – CSS saves a lot of work. You can have: Color is an inherited property while background is not. So it's best to use GET, which only takes one TCP packet to send (unless you have a lot of cookies). Each image would have a corresponding CSS class with. Inheritance: extends are useful for sharing a generic definition with selectors rather than copying it in. Lazy loading of images - Images on the page are not loaded all at once. If a web page has large no. A class selector beats any number of element selectors. The element needs a way to be found by a particular Selenium spec and something like data-selector='the-thing' is a valid way to do so without convoluting the semantic markup otherwise. An exception for positioning of