Category Archive for "Javascript"

Is there a RegExp.escape function in JavaScript?

In JavaScript, regular expressions (regex) are used to search, match, and manipulate text strings. When dealing with special characters in a string that needs to be u...

How to return value from an asynchronous callback function?

This question is asked many times on Stack Overflow, but it can be a complex concept to understand. In this article, we will explore how to return a value from an asynchronous call...

When Should I Use a Return Statement in ES6 Arrow Functions?

ES6 arrow functions introduced a concise syntax for writing functions in JavaScript. One of the features of arrow functions is that the return keyword is implicit under certain cir...

What is JavaScript's highest integer value that a number can go to without losing precision?

JavaScript has a built-in number type called Number to represent both integers and floating-point numbers. However, integers in JavaScript have a specific limit on how large they c...

How can I determine equality for two JavaScript objects?

If you're working with JavaScript, you've probably encountered the need to compare two objects to see if they are equal. While the strict equality operator can be used to compare t...

How to copy array by value in JavaScript

When working with arrays in JavaScript, you may encounter situations where you need to make a copy of an array. By default, when you assign an array to a new variable, you are crea...

Get Selected Value in Dropdown List Using JavaScript

Dropdown lists are commonly used in web forms to allow users to select an option from a list. In many cases, it's necessary to retrieve the selected value from the dropdo...

Get the values from the "GET" parameters (JavaScript)

When working with URLs that contain query parameters, you may encounter the need to extract specific values from the query string. In JavaScript, there are several ways to achieve...

Parsing a string to a date in JavaScript

JavaScript provides several ways to parse a string into a Date object. In this article, we will explore different methods to achieve this. Using the built-in Date constructor The...

How to Change an Element's Class with JavaScript

Changing the class of an HTML element dynamically using JavaScript is a common task in web development. Whether it's to apply different styles or toggle between different states, b...