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Introduction to jQuery scroll to the bottom of the div

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jQuery scroll to the bottom of the div overview

Sometimes we need to set scroll bottom as default using jQuery. For example, we can use the scroll height method to retrieve the full height of the scroll class div with scroll, and also, we can use the animation with scrollTop property and set bottom.

In jQuery, we can automatically use the scrollTop() and height() methods to scroll a page from top to bottom.

The document’s height is passed to the scrollTop method in this method. We don’t need to retrieve the element’s height if we don’t care about animation.

If we give scrollTop a value greater than the maximum, it will simply scroll to the bottom in all browsers we have tried.

Scrolling is accomplished by adjusting the vertical position of the scroll bar with scrollTop.

We set scrollTop to the height of the HTML content; the scroll goes to the bottom of the page. Similarly, we set scrollTop to 0px on the Scroll to Top link, which causes the scroll to go to the top of the page.

Return false also prevents the scroll from jumping to the top and then returning to animate the scroll.

A div appears when we navigate down from the top of the page. When the mouse is moved down, a hidden div is displayed, and when the mouse is moved up, the hidden div is hidden.

Use the jQuery scroll() function to determine the scroll position and show/hide the DIV as the mouse moves up and down.

After scrolling 100, 500, or to the bottom of the page, show a certain div. Using position to show/hide a certain div.

We may calculate the element’s offset and then comparing it to the scroll value, such as var hT = $(‘#scroll-to’) scroll (function() offset().

When the scroll position of an element changes, regardless of the cause, a scroll event is fired.

How to use jQuery to scroll to the bottom of the div?

To scroll to the bottom div, we need to use the following code in our program are as follows.

$ (function () { $ ('html, body') .animate ({ scrollTop: $ ("#SecondDiv") .offset().top + $("#SecondDiv")[0].scrollHeight }, 2000); return false; }) });

In the above example, we can see that we have used the animate method to scroll the jQuery page to the bottom of div.

We initially make our way to the summit of Div. Then we are using scrollHeight; we slide down to the bottom of Div.

We can use the scrollTop option to enter our element and a value of 0 as $(‘#id’). We may even animate the scrolling back to the top.

The number of pixels hidden from the view above the scrollable region determines the vertical scroll position. Example: Get the scrollTop of a paragraph. 1. 2. 3. Scroll to Div.

Top jQuery scroll to the bottom of the div

For single-page websites, the Scroll to Div feature comes in handy. It enables the user to navigate to a specific page portion without manually scrolling through the pages.

We can determine the element’s offset and then compare it to the scroll value, for example, $ (window).

The handler will append the message when the user hits Trigger after the code has run. Regardless of the cause, a scroll event is dispatched the element’s scroll position changes at any time.

Any anchor with href = #bottom will scroll to the bottom if we want a lovely slow animation scroll.

When our page has finished loading, we would like jQuery to scroll smoothly to the bottom of the page.

Example of jQuery scroll to the bottom of div Code

Code –

<script src= $(document).ready(function() { $(“html, body”).animate({ scrollTop: $( ‘html, body’).get(0).scrollHeight }, 1000); }); }); h1 { color: Red; }

JQuery scroll to the bottom of div is very important to scroll the page from top to bottom.

Conclusion

In jQuery, we can automatically use the scrollTop() and height() methods to scroll a page from top to bottom. For example, JQuery scroll to the bottom of div set the scrollTop property of a div’s JavaScript to the value of scroll height property to scroll to the bottom of div.

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Learn How To Create A Scrollbar In Jquery?

Introduction to jQuery scrollbar

The jQuery scrollbar is one of the jQuery library plugins that can be used for to create custom scrollbars with the help of some html elements like div. Additionally, the div tag used as the scroll role for drag and drop events and its easily customizes for while changing the div tag styles. It is also applicable for the scroll events that occur when the user is scrolled as the specified tag elements; it also works on the scroll events for scrollable elements whenever it is triggered or to run the scroll event occurs on the script.

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Syntax:

In jQuery library has many features like methods, keywords for creating web pages depend on the requirement. The plugin feature is additionally added on the jQuery library for creating the web application in more sophisticated. In HTML, UI tag elements are combined with the jQuery methods for calling and passing the html tags as the parameter.

$(document).ready(function(){ $(“#selector”).jqxScrollBar({height, weight}); ——some jQuery script codes depends upon the requirement— } —-html tag elements and the UI logic elements used on the front end—

The above codes are the basic syntax for utilizing the scrollbar packages on the script and called the code’s js packages.

How to create a scrollbar in jQuery?

The chúng tôi is one of the jQuery plugins, and the packages are used to create the customized scrollbars by using the div’s scroll and other default tag elements, which depends on the html codes and the UI. With these plugins’ help, we can call and utilized the methods and classes wherever it is needed and required by the user. These can be achieved by both CSS-like style-sheets and other presentation areas. We can also call these on the effects like animation, images, videos, etc. The scroll bars are supported for both horizontal and vertical type the perfect and actual scrollbars it may not be the perfect webkit-scrollbars the packages are covered and supported with other elements like button, thumb, track, track-piece, corner, and resizer selectors, which may be required on the script.

The plugins called and utilized these bars wherever it needs. The webkit is one of the browsers that can be used on the pseudo-elements, and these are too customized the browser’s scrollbars on the web-based applications. And the scrollbar features are resized and dragged on the event handler mechanism, which the user held when they called or triggered the particular operations on the script.

Examples of jQuery scrollbar

Here are the following examples mention below

Example #1

Code:

$(document).ready(function () { $(“#first”).jqxScrollBar({ width: 303, height: 24 }); $(“#second”).jqxScrollBar({ width: 23, height: 105, vertical: true }); $(“#first”).bind(‘example’, function (event) { $(‘#demo1’).html(‘demo1 (‘ + parseInt(event.currentValue) + ‘)’); }); $(“#second”).bind(‘example’, function (event) { $(‘#demo2’).html(‘demo2 (‘ + parseInt(event.currentValue) + ‘)’); }); }); The scroll bar here we used the horizontal option for inserting the data elements on the script

Example #2

Code:

<script src= (function($){ $(‘.second’).perfectScrollbar(); }); .second { width: 475px; height: 342px; margin: 75px auto 0 auto; position: relative; overflow: auto; } .third { width: 1048px; height: 980px; } Welcome To My Domain ist a second example for creating the web page by using the jQuery plugin called ScrollbarWelcome To My Domain ist a second example for creating the web page by using the jQuery plugin called ScrollbarWelcome To My Domain ist a second example for creating the web page by using the jQuery plugin called Scrollbar Welcome To My Domain ist a second eaxmple for creating the web page by using the jQuery plugin called ScrollbarWelcome To My Domain ist a second eaxmple for creating the web page by using the jQuery plugin called ScrollbarWelcome To My Domain ist a second eaxmple for creating the web page by using the jQuery plugin called ScrollbarWelcome To My Domain ist a second eaxmple for creating the web page by using the jQuery plugin called Scrollbar

Sample Output:

Example #3

Code:

$(window).scroll(function() { var $vars = $(window).scrollTop(); $(‘#first’).addClass(‘new’); } else { $(‘#first’).removeClass(‘new’); }}); #first { position: scroll; top: 2; left: 1; width: 133%; margin-bottom: 7px; height: 95px; line-height: 94px; background-color: blue; } #first li { margin: 1; padding: 1; float: center; } #first.new { height: 33px; background-color: pink; }

Sample Output:

In the final example, we used the scrollbar on the web page itself, and after scrolling the page, the datas and the header panel will change the color.

Conclusion

In conclusion, jQuery library, along with the different set of widgets and plugins, create the web-based application on designing the UI front end and the user-friendly nature. The plugins supported some of the browsers, and we need to download the js or configure the CDN path to the script.

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How To Fix Mouse Scroll Not Working On Windows 11/10

There are many reasons your mouse’s scroll wheel can stop working. You may have a problem in your mouse settings, a bad connection to your PC, or even a broken scroll wheel.

Table of Contents

We’ll look at all the possible ways to fix the mouse scroll not working issue on your Microsoft Windows PC.

Disconnect and Reconnect the Mouse to Your PC

The first thing you should do when scrolling stops working is to make sure your mouse is correctly plugged into your PC. A loose or improperly connected mouse may not work as expected.

Take a look at the port your mouse is plugged into and ensure the connection isn’t loose. You can unplug and replug your mouse if necessary.

If you have a wireless mouse, unpair and re-pair the mouse with your PC to ensure a good connection.

Replace Your Wireless Mouse’s Batteries

For a wireless mouse, the most common reason you can’t use the scroll wheel is that your mouse is running out of battery charge. Eventually, you’ll find that your Bluetooth mouse’s other features are also not working.

In this case, replacing your mouse’s batteries should fix your scrolling issue.

Use the Mouse With Another PC

One reason you can’t scroll with your mouse is that your mouse’s scroll button is physically damaged. You can verify that the mouse is working by connecting it to another PC.

If scrolling doesn’t work on the other PC, your mouse is probably broken. Unless you know how to fix PC components, you’re probably looking at buying a new mouse.

Change Your Mouse Scroll Wheel Settings

Windows offers a few options to change how your mouse functions on your computer. It’s worth changing some of these settings to see if that fixes the scrolling problem.

Launch Settings on your PC by pressing the Windows + I keys simultaneously.

Choose Devices on the Settings window.

Select Mouse from the sidebar on the left.

Select the Roll the mouse wheel to scroll drop-down menu on the right and choose an option.

Change the value of the Choose how many lines to scroll each time option.

If your mouse scroll starts working, you can go back to the previous mouse settings.

Windows’ Devices and Printers Troubleshooter

Windows offers several troubleshooters to help you find and fix issues with your various items. When you experience hardware problems, you can use the Devices and Printers troubleshooter to fix your issues.

These troubleshooters run on their own for the most part, so minimum interaction is required from the user side.

Open Control Panel on your PC by accessing the Start menu, searching for Control Panel, and selecting the tool in the search results.

Select View devices and printers beneath Hardware and Sound.

Wait for the troubleshooter to find problems and offer fixes for them.

Update the Mouse Driver

Mouse drivers are software that control how your mouse interacts with your PC. If you ever experience issues like your mouse scroll wheel not working, it’s worth checking for and installing any available mouse driver updates on your computer.

Windows automates the process, so you don’t have to download and update mouse drivers manually.

Select Search automatically for drivers on the following screen.

Let Windows find and install the latest drivers for your mouse.

Restart your PC when the drivers are installed.

Update Windows

Updating your Windows PC ensures you have the most recent bug fixes. This helps resolve many issues on your computer, including any mouse-related problems.

It’s easy, free, and quick to update your Windows operating system. Here’s how.

Open Settings on your PC by pressing Windows + I keys simultaneously.

Choose Update & Security in Settings.

Select Windows Update on the left.

Choose Check for updates on the right.

Install the available updates on your PC.

Restart your PC.

Repair Your Windows PC

If your mouse still doesn’t scroll your pages up or down, your PC’s core files might be problematic. One way to get around this is to use Windows’ built-in startup repair option. This option fixes the issues lying with your system-level files.

Access your PC’s Settings app by pressing Windows + I keys.

Choose Update & Security in Settings.

Select Recovery from the sidebar on the left.

Choose Restart now under the Advanced startup header on the right.

Troubleshoot the Mouse’s Scroll Not Working Issue on Your Windows PC

If you’re used to scrolling pages with your mouse’s scroll button, it’s hard to do your tasks when that button stops working. Luckily, you can fix the button’s problem in most cases by toggling your system settings, as described above.

Which Methods Are Used To Set Styles On Selected Elements In Jquery?

Developers can use JavaScritp or JQuery to manipulate the style of the HTML elements. For that, first, developers need to access the HTML elements using JQuery and then use various methods to set the style for selected HTML elements.

Use the CSS() method of JQuery to set styles on selected elements

The first method is the css() method which we can use to set styles on selected HTML elements using JQuery. It takes a property name and value as a parameter.

Syntax

Users can follow the syntax below to use the css() method of JQuery.

$("selector").css("property", "value");

In the above syntax, the selector is a CSS selector to access the HTML element.

Parameters

Property − It is the name of the CSS property to apply to the HTML element.

Value − It is a value of the CSS property.

Example

In JQuery, we access both div using id and class name, respectively, and apply different colours to the text of both. Also, we access the ‘div’ element by tag name and change the font size of the text, which users can observe in the output.

$(document).ready(function () { $(“.one”).css(“color”, “red”); $(“#second”).css(“color”, “blue”); $(“div”).css(“font-size”, “20px”); });

Example

In this example, we also use the css() method to set styles to selected HTML elements. Still, we pass the single object containing the property value pairs as a CSS() method parameter here.

We have created a single object containing multiple property-value pairs. After that, we passed it as a parameter of the css() method. In the output, users can observe that all CSS properties are applied to the div element.

$(document).ready(function () {

$(“.test”).css({ “color”: “red”, “background-color”: “yellow”, “border”: “2px solid black”, “padding”: “10px”, “font-size”: “20px” }); });

Use the addClass() method of JQuery to set styles on selected elements

The addClass() method of JQuery is used to add a particular class to the HTML element. IN CSS, we can add some styles to a particular class. After that, whenever we require that style on the element, we can add a class to the element using the addClass() method of JQuery.

Syntax

Users can follow the syntax below to use the addClass() method of JQuery to set styles on the selected HTML element

$("selecotr").addClass("classname");

In the above syntax, ‘classname’ is a class name to add to the HTML element.

Example

.demo { color: green; background-color: pink; border: 2px solid black; padding: 10px; font-size: 2rem; } function addDemo() { $(“#one”).addClass(“demo”); }

Use the toggleClass() method of JQuery to set styles on selected elements

The toggleClass() method of JQuery allows users to toggle between two classes. We can add different CSS styles in both classes and toggle between two classes. This is useful when we require adding dark and light themes in the application.

Syntax

Users can follow the syntax below to use the toggleClass() method to change the CSS of the selected element.

$("selector").toggleClass("class1 class2");

In the above syntax, class1 and class2 are two class names to toggle between them.

Example

.one { color: green; background-color: pink; border: 2px solid black; padding: 10px; font-size: 2rem; } .two { color: red; background-color: yellow; border: 2px solid blue; padding: 20px; font-size: 3rem; } function toggleClass() {

$(“#element”).toggleClass(“one two”); }

Users learned to use the JQuery methods to set CSS styles on the selected HTML elements. We have used the css() method in the first approach, which is the best way to set CSS using JQuery. We have used the addClass() method in the second approach and the toggleClass() method in the third approach. Users should use any method according to the situation they handle during development.

Swift Program To Compute The Sum Of Diagonals Of A Matrix

In this article, we will learn how to write a swift program to compute the sum of diagonals of a matrix. Every matrix has two diagonals which are known as primary and secondary diagonals. For example, we have the following 5×5 square matrix −

2 3 4 5 6 4 6 7 8 9 1 1 1 3 4 4 0 4 0 4 0 0 1 1 1

So the primary diagonal is formed by using elements 2, 6, 1, 0, 1 and the secondary diagonal is formed by using elements 6, 8, 1, 0, 0. Hence the sum of both diagonals are −

Primary diagonal = 2+6+1+0+1 = 10 Secondary diagonal = 6+8+1+0+0 = 15

Here we use the following methods −

Using for loop

Using nested for-loop

Method 1: Using For Loop

To calculate the sum of both diagonals of a matrix we can use a single for loop.

Algorithm

Step 1 − Create a function.

Step 2 − In this function, run a for loop to iterate through each element of the given matrix

Step 3 − Find the sum of the primary diagonal −

leftDiagonal += arr[x][x]

Step 4 − Find the sum of the secondary diagonal −

rightDiagonal += arr[x][size - x - 1]

Step 5 − Create a matrix.

Step 6 − Call the function and pass the matrix into it.

Step 7 − Print the output.

Example

Following Swift program to compute the sum of diagonals of a matrix using for loop.

import Foundation import Glibc var size = 4 func diagonalSum(arr:[[Int]]){ var leftDiagonal = 0 var rightDiagonal = 0 for x in 0..<size{ leftDiagonal += arr[x][x] rightDiagonal += arr[x][size - x - 1] } print("Sum of left diagonal", leftDiagonal) print("Sum of right diagonal", rightDiagonal) } var myArray : [[Int]] = [[2, 3, 4, 3], [5, 6, 7, 1], [8, 3, 2, 6], [4, 6, 4, 2]] print("Array:") for x in 0..<size{ for y in 0..<size{ print(myArray[x][y], terminator:" ") } print("n") } diagonalSum(arr:myArray) Output Array: 2 3 4 3 5 6 7 1 8 3 2 6 4 6 4 2 Sum of left diagonal 12 Sum of right diagonal 17

Here in the above code, we have a matrix of integer type. Now we create a function to find the sum of the two diagonals of the given matrix. In this function, we run a for loop to iterate through each element of the given matrix and then find the sum of the primary and secondary diagonal.

Method 2: Using Nested For Loop

We can also find the sum of primary and secondary diagonals of the matrix using nested for loop.

Algorithm

Step 1 − Create a function.

Step 2 − In this function, run a nested for loop to iterate through each row and columns of the given matrix.

Step 3 − Find the primary diagonal and then add its elements −

if (x == y){ leftDiagonal += mxt[x][y] }

Step 4 − Find the secondary diagonal and then add its elements −

if ((x + y) == (size - 1)){ rightDiagonal += mxt[x][y] }

Step 5 − Create a matrix.

Step 6 − Call the function and pass the matrix into it.

Step 7 − Print the output.

Example

Following Swift program to compute the sum of diagonals of a matrix using nested for loop.

import Foundation import Glibc var size = 3 func diagonalSum(mxt:[[Int]]){ var leftDiagonal = 0 var rightDiagonal = 0 for x in 0..<size{ for y in 0..<size{ if (x == y) { leftDiagonal += mxt[x][y] } if ((x + y) == (size - 1)) { rightDiagonal += mxt[x][y] } } } print("Sum of left diagonal:", leftDiagonal) print("Sum of right diagonal:", rightDiagonal) } var matrix : [[Int]] = [[1, 3, 40], [2, 16, 7], [10, 3, 12]] print("Matrix:") for x in 0..<size{ for y in 0..<size{ print(matrix[x][y], terminator:" ") } print("n") } diagonalSum(mxt:matrix) Output Matrix: 1 3 40 2 16 7 10 3 12 Sum of left diagonal: 29 Sum of right diagonal: 66

Here in the above code, we have a 3×3 matrix of integer type. Now we create a function to find the sum of the two diagonals of the given matrix. In this function, we run a nested loop to iterate through each row and column of the given matrix. Now we find the primary diagonal using the row-column condition− row = column. And then add the elements of the primary diagonal. Find the secondary diagonal using the row−column condition: row = noOfRows − column −1. And then add the elements of the secondary diagonal.

Conclusion

The square matrices has two diagonals primary(right to left) and secondary(left to right) diagonals of equal length. So either using nested or single for loop we can compute the sum of the diagonals of a matrix.

Seagate To Halt Production Of 7200

When it comes time to buy your next high-performance laptop, chances are good that it will feature a solid state drive (SSD). But what if you’d prefer to have a high-speed, high-capacity traditional hard drive instead? Don’t look to Seagate, one of the two 800-pound gorillas in the hard drive industry. The company recently said it will stop making 2.5-inch, 7200-rpm laptop hard drives by the end of 2013.

Both X-bit Labs and AnandTech say Seagate has confirmed it will stop producing 2.5-inch 7200-rpm HDDs. Seagate’s high-performance, notebook-sized hard drives will still be around for some time, however, as the company winds down production and works through its remaining stock.

Seagate does not currently offer a consumer SSD, but those drives are coming. The company signed an agreement with DensBits in 2012 to co-develop both consumer- and enterprise-focused solid state drives.

“Seagate’s roadmap for laptop-class hard drives has long been based on our next-generation, 5400 RPM solid-state hybrid platform,” the company said in a statement to PCWorld after this article was published. “We expect the last 7200 RPM products will ship in mid-summer 2013.”

HDD, the long farewell

As SSD prices have dropped over the past few years, the need for 7200-rpm notebook-sized drives has lessened. When PCWorld reviewed Seagate’s second-generation Momentus XT hybrid drive nearly three years ago, an OCZ 120GB SSD was priced at $400 and the 256GB model was $750. A quick check on Amazon Monday morning shows you can get a 256GB OCZ SSD for $250, less than half what it cost in 2010.

SeagateHybrid drives mix hard drive storage capacities with solid-state speed

X-bit Labs described the prospects for high-performance HDDs best when it said most people looking for speedy hard drives are already opting for SSDs. Everyone else is generally more concerned about capacity and price, with hard drive performance speed being a secondary concern—if it’s even a concern at all. This second class of shoppers may be better served by 5400-rpm hard drives than the slightly pricier 7200-rpm models.

Western Digital, the other behemoth of the hard drive world, hasn’t said anything about discontinuing its faster HDDs, but PCWorld has inquired just in case Seagate’s decision is the start of a trend.

And while pure 7200-rpm mechanical hard drives from Seagate may go away, the company will produce solid-state hybrid drives that combine hard drives with a smaller SSD component. These drives typically use the larger hard drive for the bulk of your files and rely on the SSD to increase performance for your most frequently used data. Seagate currently sells 7200-rpm 2.5-inch hybrid drives in 500GB and 750GB capacities under the Momentus XT lineup featuring, respectively, 4GB and 8GB of NAND flash, the key component in SSDs.

The popularity of SSDs in 2013 also shows no signs of stopping. Prices are dropping rapidly, and market research firm IHS iSuppli predicts that SSD shipments in 2013 will more than double compared to 2012 due to the demand for the storage component in Ultrabooks combined with lower prices for NAND flash memory.

Crying out against progress

But are speedier, pure SSDs the best solution for most PC users right now? Some questions remain about the reliability of SSDs compared to HDDs. If you’ve ever fired up a computer that sounds like a VCR, then you already know that when a hard drive starts to go, you can usually hear it. SSDs don’t have any moving parts so when they go it’s often with little or no warning—but they’re blazing fast up until then.

And SSDs, while getting cheaper and with larger capacities available, still don’t have the per GB dollar value that hard drives can offer. Amazon currently sells a Crucial 512GB SSD for $350, but you can pick up a 1 TB 7200-rpm 2.5-inch HDD for around $100 to $250 depending on the model.

Then there’s the pain of dealing with a smaller capacity drive if you go with an SSD. You either have to offload most of your files to a bigger external hard drive or put your stuff in the cloud.

Current hassles aside, there’s no question that SSDs are only going to become more popular in the coming years, and Seagate’s decision to dump 7200-rpm notebook hard drives may be an early sign of the coming SSD switch.

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