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Previewing an image before it is uploaded is a useful feature that allows users to verify the image they have selected before submitting it to the server.

Finding an object by its ID in a JavaScript array can be a common task when working with data in your application.

JavaScript provides several ways to empty an array. Here are a few common methods.

In this article, we’ll discuss three of the most common methods for getting the selected value in a dropdown list: using the value property, using the selectedIndex property, and using the options collection.

JavaScript provides several ways to format numbers as currency strings.

JavaScript provides several ways to check if a variable is a string.

To get all unique values and remove duplicates in a JavaScript array, you can use the Set() constructor to get unique values and the filter() method to remove duplicates.

Adding a table row in JavaScript can be done using the DOM (Document Object Model) API.

Generating a random string in JavaScript can be useful for a variety of tasks, such as generating unique identifiers or password reset tokens.

There are several ways to refresh a page using JavaScript, and in this article, we will cover the most common methods.