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Found 10710 Articles for Web Development
![Manisha Patil](https://www.tutorialspoint.com/assets/profiles/492968/profile/60_3302943-1658812948.jpg)
3K+ Views
In this article let us understand how to use an HTML5 video tag to alter the playing speed of videos that are embedded in an HTML document. A number less than 1 slows down the video, a number greater than 1 accelerates the video, and then a number of 1 returns the video to its original pace. Also take note that playbackRate is a property and not an HTML attribute. Although you wouldn't want to change the playback rate for every video site, you can do this if you think your visitors will prefer it. This only takes one HTML ... Read More
![Manisha Patil](https://www.tutorialspoint.com/assets/profiles/492968/profile/60_3302943-1658812948.jpg)
2K+ Views
Since JavaScript is a loosely typed language, you are not required to correctly predict the kind of data that will be kept in a variable. Depending on the information you supply to a variable (such as this ‘ ‘ or " " to signify string values), JavaScript will automatically type it. The type of a variable, such as int, float, boolean, or String, must be declared in many other languages, including Java. This has both good and bad effects. Even though the type system in JavaScript allows for a lot of freedom, it lacks the ability of a highly typed ... Read More
![Manisha Patil](https://www.tutorialspoint.com/assets/profiles/492968/profile/60_3302943-1658812948.jpg)
516 Views
The stopPropagation() methods will be covered in this article along with a useful sample of the code. After that, we'll look at the difference between stopPropagation() and PreventDefault() Methods. stopPropagation() event method − The parent element cannot access the event using this method. In general, this function is created to prevent multiple calls to the same event from propagating. For example, if a button element is contained within a div tag and both of them have a onclick event, anytime we attempt to activate the event associated with the button element, the event associated with the div element is also ... Read More
![Manisha Patil](https://www.tutorialspoint.com/assets/profiles/492968/profile/60_3302943-1658812948.jpg)
2K+ Views
We must be aware of the JavaScript application's loading speed while running any script on an HTML page. Performance problems never cause harm to the programme. When we include a tag inside the HTML tag, the programme uses more memory and performs worse. The location on the HTML page where we add our script also affects how quickly the programme loads. Therefore, to enhance the performance of the application, include the defer attribute within the script> element using the syntax . defer attribute loads to promptly free up the necessary resources and boost efficiency. A boolean type attribute ... Read More
![Manisha Patil](https://www.tutorialspoint.com/assets/profiles/492968/profile/60_3302943-1658812948.jpg)
250 Views
First let us understand what unit testing is and how it helps us. One of the numerous varieties of automated testing is unit testing. Unit tests completely isolate and test relatively small portions of the application, comparing the results to the intended results. When unit testing your application, you normally don't link it to external dependencies like databases, the filesystem, or HTTP services. This is referred to as "full isolation." Since they won't fail as a result of issues with all those external services, unit tests can be quicker and more reliable as a result. Individual software units, such as ... Read More
![Manisha Patil](https://www.tutorialspoint.com/assets/profiles/492968/profile/60_3302943-1658812948.jpg)
2K+ Views
In this article we will learn how to use the TARGET attribute to open a website in a new window using HTML and JavaScript TARGET attribute of HTML A link's opening named frame or window is specified using the Target attribute of the anchor tag. The concluding tag in the HTML content must appear after each commencing tag since the element is paired. Although the href (hypertext reference) element of the anchor tag has several other options, it is required since it contains the URL of the webpage where the link will go when clicked. Syntax ... Read More
![Manisha Patil](https://www.tutorialspoint.com/assets/profiles/492968/profile/60_3302943-1658812948.jpg)
734 Views
The green background image is changed and replaced with any effect or other image using the green screen algorithm, also referred to as the chromakey algorithm. In short, what we're doing is swapping out all of the green pixels in the forward image with their matching counterparts in the background image. Additionally, we need to keep in mind that the size of the output image should match that of the forward image. In the following step, the pixels from the forward image are duplicated into the new image. Rather than copying green pixels, the backdrop image's matching pixels are used. ... Read More
![Geetansh Sahni](https://www.tutorialspoint.com/assets/profiles/568952/profile/60_573343-1670820355.jpg)
326 Views
In this article, we will shift focus over to the way to deal with set cal() capability for viewport units workaround in CSS. In the HTML site page, while applying values to the CSS properties, the computations are performed by utilizing calc() capability. The calc() capability plays out an estimation to be utilized as the property estimation and for doing essential math. The just spot you can utilize the calc() capability is in values. The calc() capability takes boundaries as a solitary articulation. The worth turns into the aftereffect of the articulation. Indeed, even the articulation is the mix of ... Read More
![Geetansh Sahni](https://www.tutorialspoint.com/assets/profiles/568952/profile/60_573343-1670820355.jpg)
16K+ Views
In this article, to make a given area unclickable we will use the CSS property pointer-events by assigning it to none value to get the required area unclickable. Pointer events is a contemporary way to handle input from a spread of inform devices, like a mouse, a pen/stylus, a touchscreen, and so on. The pointer-events CSS property sets beneath what circumstances (if any) a specific graphic component will become the target of pointer events. This property is employed to specify whether or not component shows pointer events and whether or not shows on the pointer. Syntax In CSS, we use ... Read More
![Geetansh Sahni](https://www.tutorialspoint.com/assets/profiles/568952/profile/60_573343-1670820355.jpg)
5K+ Views
The href attribute specifies the URL of the page the link goes to and this attribute specifies the location (URL) of the external resource (most often a style sheet file).To disable a href link we need to use various attributes along with it. Syntax In HTML we use the following syntax to use href attribute. Text In this, we can also use the tag instead of the tag. Multiple Approaches We have provided the solution in different approaches. By Using pointer-events property. By Using Bootstarp disabled link property. Let’s see the program along with its ... Read More