Category: JavaScript

  • How to Find If an Array Contains a Specific String in Javascript/Jquery?

    How to find if an array contains a specific string in JavaScript/jQuery? When working with JavaScript or jQuery, you may often come across the need to check if an array contains a specific string. Fortunately, there are multiple ways to achieve this. In this article, we will explore two common solutions to this problem. Solution…

  • How Can You Encode a String to Base64 in Javascript?

    Base64 encoding is commonly used in JavaScript to convert data (such as strings or images) into a format that can be easily transmitted over the internet. In this article, we will explore different methods to encode a string to Base64 in JavaScript. Method 1: Using the btoa() function The simplest way to encode a string…

  • How to Pass Props to {This.Props.Children}

    When working with React components, it is common to use the {this.props.children} syntax to render the content passed between the opening and closing tags of a component. However, there may be times when you need to pass additional props to the {this.props.children} elements. Fortunately, there are a couple of ways to achieve this. Let’s explore…

  • Clearing Localstorage in Javascript?

    localStorage is a powerful feature in JavaScript that allows developers to store data locally in the user’s browser. However, there may be times when you need to clear the stored data from localStorage. In this blog post, we will explore different ways to clear localStorage in JavaScript. Method 1: Using the clear() method The simplest…

  • How to Check a Not-defined Variable in Javascript

    When working with JavaScript, it is common to encounter situations where you need to check if a variable is defined or not. This can be particularly useful when you want to avoid errors or handle different scenarios based on the variable’s existence. There are several ways to check if a variable is not defined in…

  • How to Create a Dialog with “ok” and “cancel” Options

    How to create a dialog with “Ok” and “Cancel” options When developing web applications, it is common to encounter situations where you need to display a dialog box with “Ok” and “Cancel” options. This can be useful for confirming an action or allowing the user to make a decision. In this blog post, we will…

  • Simplest Code for Array Intersection in Javascript

    Simplest code for array intersection in JavaScript As a JavaScript developer, you may often come across situations where you need to find the common elements between two or more arrays. This process is commonly known as “array intersection”. In this blog post, we will explore the simplest code to achieve array intersection in JavaScript. Method…

  • How to Interpolate Variables in Strings in Javascript, Without Concatenation?

    How to interpolate variables in strings in JavaScript, without concatenation? When working with JavaScript, there are often situations where you need to include variables within strings. Traditionally, this has been done using string concatenation, but there is a more elegant and readable way to achieve this: string interpolation. In this article, we will explore different…

  • Is Javascript Guaranteed to Be Single-threaded?

    Is JavaScript guaranteed to be single-threaded? JavaScript is a popular programming language used for both front-end and back-end development. One common misconception about JavaScript is that it is single-threaded, meaning it can only execute one task at a time. However, this is not entirely true. While JavaScript is primarily single-threaded, there are certain scenarios where…

  • Why Would a Javascript Variable Start with a Dollar Sign?

    Why would a JavaScript variable start with a dollar sign? When working with JavaScript, you may come across variables that start with a dollar sign ($). This naming convention is not a requirement in JavaScript, but it is often used in certain libraries and frameworks, such as jQuery. In this blog post, we will explore…