The longest side of a right-angled triangle and the side that faces away from the right angle is known as the Hypotenuse. The Pythagorean theorem explains that the Hypotenuse's square equals the sum of the squares of the other two sides. We can be used to determine it using this ... Read More

What is Duck Typing? First, we will know what Duck Typing is. According to programmers, the circumstance where an object's type is decided by its behaviour, like methods and attributes, rather than its class is known as "duck typing". Duck Typing in TypeScript The usage of interfaces in TypeScript makes ... Read More

In React with TypeScript, you can use conditional rendering to choose what to render based on a condition. This is useful when displaying different content or components based on specific criteria. There are a few different ways to implement conditional rendering in React with TypeScript. One way is to use ... Read More

In TypeScript, to access an element, or we can say HTML components, we use the Document Object Model (DOM). The DOM defines an HTML and XML programming interface that visualizes a document's structure as a tree of nodes. A paragraph, a button, a div, a heading, etc., are just a ... Read More

The zoom-in and zoom out is an important functionality for the image. We can see every single information of the image by zoom-in. Maybe, you can press the ‘ctrl’ and ‘+’ keys together to zoom in to your browser, and you can see everything looks bigger in the browser window. ... Read More

Anyone can make a mistake while entering the email in the input field. So, it’s the developer's responsibility to check if users have entered a valid email string. Many libraries are available to validate email addresses, which we can use with various JavaScript frameworks, but not with vanilla JavaScript. However, ... Read More

We have been given the task of validating the input string and need to check whether it is alphanumeric or not using JavaScript. The alphanumeric string contains only numeric and alphabetical characters, including uppercase or lowercase characters, and even it doesn’t contain any special characters or spaces. Below, we will ... Read More

We have given the array of elements and need to use the map() on the array in reverse order with JavaScript. The map() method maps the new element related to a particular array element in the resultant array. Sometimes, we require to map the elements in reverse order. There ... Read More

The filter() method is used to filter values from the array, and the map() method is used to map a new value to another array based on every value of the old array. Sometimes, we require to use the filter() and map() methods together. For example, we wanted to ... Read More

While working with the HTML checkboxes, sometimes developers may require to use the checkboxes to allow users to select multiple options. Also, developers need to perform some actions based on the selected checkbox. For example, you have given the checkbox with a question like are you above 18? If ... Read More