To attach one or more drop shadows to a box with JavaScript, you can use the box-shadow style property. You can specify the shadow's offset, blur radius, spread radius, and color by passing values for these properties in the box-shadow property. Syntax Following is the syntax to add one or ... Read More

In programming, it is very common to add new value to an existing array whether you are building a small or high-level application, whenever we need to extend the number of items in an array we use it to add new value in the array. In this article, we will ... Read More

With JavaScript, you can easily access/ read cookies with the “document.cookie” property. Reading a cookie is just as simple as writing one because of the value of the document.cookie object is the cookie. The document.cookie string will keep a list of name=value pairs separated by semicolons, where the name is ... Read More

JavaScript is used everywhere, from creating the back end using environments like Node.js to creating the front end using React.js, Vue.js, etc. In JavaScript, the uses of a function are very high, it is used for performing a group operation, it is used as a callback, as a constructor, ... Read More

JavaScript is a lightweight and interpreted language, therefore, inside the context of a web browser, you don't even need to buy a compiler. You can start with a simple text editor such as Notepad. To make our life simpler, various vendors have come up with very nice JavaScript editing tools. ... Read More

In JavaScript, the NaN property is a special value that represents "Not a Number". It is a property of the Number object and can be accessed using Number.NaN. The NaN property is usually produced as a result of an operation that cannot produce a meaningful result. For example, dividing 0 ... Read More

The null coalescing operator (??) is a binary operator introduced in JavaScript that is used to return the first operand if it exists and is not null or undefined; otherwise, it returns the second operand. Here is an example of how to use the null coalescing operator − const ... Read More

To catch all JavaScript errors, we can use the window.onerror() method which acts like a global try-catch statement. The onerror event handler was the first feature to facilitate error handling in JavaScript. The error event is fired on the window object whenever an exception occurs on the page. The onerror ... Read More

In this tutorial, we will learn how to add 30 minutes to a JavaScript Date object. Here we will discuss two methods which are following. Using the setMinutes( ) Method Using the getTime() Method Using the setMinutes Method The setMinutes() function of the date object accepts an integer ... Read More

In this tutorial, we will learn how to add a number of days to a JavaScript Date object. Here we will discuss two methods which are following. Using the setDate( ) Method Using the getTime() Method Using the setDate( ) Method JavaScript date setDate() method sets the day ... Read More