Q&A 

How do we scroll?

Michael Wilson

How do we scroll?

There are at least twelve standard keyboard shortcuts for scrolling:

  1. right arrow – scroll right.
  2. left arrow – scroll left.
  3. up arrow – scroll up.
  4. down arrow – scroll down.
  5. home or command-up arrow – scroll to the top.
  6. end or command-down arrow – scroll to the bottom.
  7. page down or space – scroll down one screen.

Why is it called scrolling?

A scroll, from which “scrolling” comes, is the oldest way of recording information on soft material, such as papyrus or paper, and it was used by most ancient civilizations in the world before the Romans invented the book, or codex, as they called it. And that’s why we scroll.

What is the function of scroll?

The Scroll Lock key was initially intended to be used in conjunction with the arrow keys to scroll through the contents of a text box. It has also been used to stop the scrolling of text or halt the operation of a program. The picture shows what a Scroll Lock key with an LED may look like on a keyboard.

When was scrolling invented?

12th century

Why do we scroll?

“The scrolling doesn’t draw us in, but it keeps us there for much longer than we might be if the feeds ended, or if we had to click buttons to reveal new content,” says Adam Alter, a professor at NYU’s Stern School of Business and the author of Irresistible: The Rise of Addictive Technology and the Business of Keeping …

Who found infinite scroll?

Aza Raskin is the creator of “infinite scroll”, a feature that has become ubiquitous on sites such as Facebook and Twitter and allows users to continuously move up or down a page, removing any need to press “refresh” or hit a “next page” button.

Who came up with infinite scroll?

Aza Raskin

What makes scrolling addictive?

But unlike with slot machines, where the behavior is an aggressive pull-down of the entire arm, with social media it’s just a swipe of your thumb on a screen or two fingers on a trackpad. This ease of the behavior paired with variable-ratio reinforcement is why scrolling through social media is so addictive.

How do I stop infinite scrolling?

Fortunately, there is a simple way to stop infinite scrolling, all you have to do is turn off javascript for those particular websites. The only caveat though is disabling Javascript can also disable other sites function. That being said, different browsers have different methods to disable Javascript.

Is infinite scroll bad for SEO?

Google’s Martin Splitt Explains Why Infinite Scroll Causes SEO Problems. Google’s Martin Splitt had to remind SEOs and site owners that Googlebot doesn’t scroll through pages. When infinite scrolling is implemented on a web page it can cause issues with how the content is indexed in Google Search.

Is infinite scroll a good idea?

Though a common interaction on the web, infinite scroll causes problems for accessibility, usability, and performance. The cost to work around them is usually not worth the tradeoffs, and in the end, it can have a negative impact on the user experience.

How do you use infinite scroll?

Add a class to the button the controls your site’s pagination if you don’t have one already.

  1. Create a window scroll event. //Infinite scroll $(window).
  2. Create a variable for the height of the entire document as well as a variable to determine your scroll position.
  3. Let’s do some math!

How do I make my pagination infinite scroll?

How to Create Infinite Scroll Pagination

  1. Step 1 Plan Your Pagination.
  2. Step 2 Building the Ajax Function.
  3. Step 3 Determine When the User Scroll to Bottom of Page.
  4. Step 4 Setting Up Our Theme.
  5. Step 5 Adding Ajax Loader.
  6. Step 6 Additional Limitation to Enhance the Infinite Scroll.

How do you implement infinite scroll in react?

We have also called the getPhotos() function from the componentDidMount() lifecycle hook, but it will be enough to develop the infinite scroll. Now, we have to listen to each scroll event behavior, and based on the scroll event, the page number will be updated in order to fetch the new data from the API.

How do you make an infinite scroll in HTML?

Create a project structure css in the css folder and app. js in the js folder. Third, create a new HTML file index. html in the infinite-scroll folder.

How do I load content on a scroll?

How to use it:

  1. Load the Infinite Scroll Pagination plugin after you load the latest version of jQuery library.
  2. Define your content in a JSON file from which the plugin fetches and appends more content to the bottom exisitng content when scrolling down the page.
  3. Create a container to hold your content.

How do I load more content on scroll?

In jQuery, check whether you have hit the bottom of page using scroll function. Once you hit that, make an ajax call (you can show a loading image here till ajax response) and get the next set of data, append it to the div. This function gets executed as you scroll down the page again.

How do I load a Web page to scroll?

Add scroll event handler on the window to detect page scroll. $(window). scrollTop() – This gives number of pixels the user has scroll the webpage.

How do you lazy load content?

Lazy loading images means loading images on websites asynchronously — that is, after the above-the-fold content is fully loaded, or even conditionally, only when they appear in the browser’s viewport. This means that if users don’t scroll all the way down, images placed at the bottom of the page won’t even be loaded.

How do I load a website without CSS?

  1. Via the menu toolbar, choose: “View” > “Page Style” > “No Style”
  2. Via the Web Developer Toolbar, choose: “CSS” > “Disable Styles” > “All Styles”

How do you implement lazy loading?

The basic idea of lazy loading is simple – defer loading anything that is not needed right now. For images it usually translates to any image that is not visible to the user up front can be lazy loaded. As the user scrolls down the page, the image placeholders start coming into viewport (visible part of the webpage).

What is lazy loading in simple words?

Lazy loading is a programming technique that delays loading resources until they are needed. A common example is a webpage that defers loading images until the user scrolls to their location within the page.

How do I know if lazy load is working?

You can check to see that a module is indeed being lazy loaded with the Chrome developer tools. In Chrome, open the dev tools by pressing Cmd+Option+i on a Mac or Ctrl+Alt+i on a PC and go to the Network Tab. NOTE: Another important check is to make sure that a module loaded lazily is not loaded again.

How do I know if lazy loading is working?

How to tell if lazy loading is working?

  1. F12 browser tools, look at the network inspector and you can see exactly what gets loaded when. –
  2. Maybe it check the user-agent header to see what “browser” it’s interacting with? –
  3. @AlexK.
  4. One would expect them to show up as you scroll – Alex K.