Java script and CSS

What is CSS and JavaScript?

CSS and JavaScript both are used on Web pages with HTML but for different roles. … JavaScript is used to create interaction between webpages and the user. CSS: CSS stands for Cascading Style Sheet, it is a style sheet language used to shape the HTML elements that will be displayed in the browsers as a web-page.

Can you put CSS in JavaScript?

Ignoring inline styles, the other approach that we can use to introduce elements to the goodness that is CSS styling involves JavaScript. We can use JavaScript to directly set a style on an element, and we can also use JavaScript to add or remove class values on elements which will alter which style rules get applied.

What is the difference between HTML CSS and JavaScript?

HTML provides the basic structure of sites, which is enhanced and modified by other technologies like CSS and JavaScript. CSS is used to control presentation, formatting, and layout. JavaScript is used to control the behavior of different elements.

Which is faster CSS or JavaScript?

CSS has fairly good performance as it offloads animation logic onto the browser itself. This lets the browser optimize DOM interaction and memory consumption and most importantly, uses the GPU to improve performance. On the other hand, Javascript performance can range from reasonably faster to much slower than CSS.

What are the 3 types of CSS?

Difference Between the 3 Types of CSS Styles: Inline, External and Internal. In this tutorial, you will learn the difference between the three types of CSS styles: inline, external, and internal.

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What is CSS example?

For example, CSS can be used to define the cell padding of table cells, the style, thickness, and color of a table’s border, and the padding around images or other objects. CSS gives Web developers more exact control over how Web pages will look than HTML does.

How do I load CSS first?

To get CSS to the browser first, we must remove anything that is loading before it. This is typically as simple as changing the order in which your HTML calls resources. Even though browsers have methods that try to solve this fundamental problem, the best practice is to simply put all calls for CSS first.

How do I connect JavaScript to HTML and CSS?

To link a CSS file with your HTML file, you have to write the next script on your HTML file inside the head tag. To link a Js file with your HTML, you only have to add the source of the script inside the body tag or outside; it doesn’t matter.25 мая 2017 г.

What is DOM in JavaScript?

The Document Object Model (DOM) is a programming interface for HTML and XML documents. It represents the page so that programs can change the document structure, style, and content. … The DOM is an object-oriented representation of the web page, which can be modified with a scripting language such as JavaScript.


CSS is independent of HTML and can be used with any XML-based markup language. The separation of HTML from CSS makes it easier to maintain sites, share style sheets across pages, and tailor pages to different environments.

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Which is better HTML or CSS?

HTML is basically a standard markup language for describing the structure of web pages whereas CSS is the style sheet language for describing the presentation and design of web pages. HTML is easy to learn and has clear syntax whereas CSS can sometimes get messy and can create complications in codes.

Is JavaScript hard to learn?

4. JavaScript is so hard to learn because it’s an asynchronous programming language. It’s also single-threaded, which means it uses its asynchronous nature in a radically different way than most other programming languages.

Can CSS change example?

The will-change property in CSS optimizes animations by letting the browser know which properties and elements are just about to be manipulated, potentially increasing the performance of that particular operation. This property has four values: auto : standard browser optimizations will be applied.

How do CSS animations work?

CSS Animations are kind of a powered-up version of CSS Transitions. They allow you to create multi-step transitions through the @keyframes syntax. To use an animation you created, you can specify the animation in animation or animation-property .programmist css

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