CSS and JavaScript accessibility best practices Learn web development MDN

The client might already have data about this from previous research they’ve done, e.g. from other websites they own, or from previous versions of the website you are now working on. If not, you will be able to get a good idea by looking at other sources, such as usage stats for competitors, or countries the site will be serving. HyperText Markup Language (HTML) is the backbone of any website development process, without which a web page does not exist. Hypertext means that text has links, termed hyperlinks, embedded in it. When a user clicks on a word or a phrase that has a hyperlink, it will bring another web-page.

which of the following is well versed in html5, javascript, and css?

So, if you learn HTML fundamentals, you’ll be able to understand how websites are created. Once you understand how HTML works, CSS lets you add many layers of dynamic functionality to the pages you create. The main purpose behind HTML5 was to remove the need for proprietary technologies and plugins. You can create offline applications, and include multimedia animations, audio, and video into your web pages without needing to download extra plugins to include said applications or multimedia.

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For example, inline CSS might allow you to superimpose one element atop another or keep an element in-view as a visitor scrolls. Each part of the box model has a CSS property, and the total width and height of an element are determined by adding together which of the following is well versed in html5, javascript, and css? the item’s actual size along with the borders, margins and padding. The top, bottom, right and left values for these properties can be set separately. With the “color” property, you can define your text’s color with any hex color code or HTML color name.

The displaySum is a function which gets both items from the web page, converts them to numbers (with the Number method), sums them up, and passes them in as inner values to another element. Your brain has been programmed to react in a certain way or do certain things whenever something happens. In this same way, you can program your web page or individual elements to react a certain way and to do something when something else (an event) happens. You can check out the second part of freeCodeCamp’s Responsive Web Design certification to get started.

What Else Should I Learn to Complement CSS Skills?

JavaScript is a programming language that adds interactivity to your website. To mitigate such problems, you should double up these events with similar events that can be activated by other means (so-called device-independent event handlers) — focus and blur would provide accessibility for keyboard users. With continuing development for mobile devices, such as smart phones and tablets, designers need to ensure that their site comes up correctly in browsers on all devices.

which of the following is well versed in html5, javascript, and css?

Websites should be accessible across different browsers and devices, and to people with disabilities (e.g. screen-reader-friendly). A site doesn’t need to deliver the exact same experience on all browsers and devices, as long as the core functionality is accessible in some way. For example, a modern browser might have something animated, 3D and shiny, while older browsers might just show a flat graphic with the same information. As you will be aware, most user interactions are implemented in client-side JavaScript using event handlers, which allow us to run functions in response to certain events happening. The main example you’ll come across is mouse-specific events like mouseover, mouseout, dblclick, etc. Functionality that runs in response to these events will not be accessible using other mechanisms, like keyboard controls.