Tag: JavaScript

  • Check If a Variable Is a String in Javascript

    When working with JavaScript, it is often necessary to check the data type of a variable. One common task is to check if a variable is a string. In this blog post, we will explore different ways to accomplish this in JavaScript. Method 1: Using the typeof Operator The simplest way to check if a…

  • How Can I Get Query String Values in Javascript?

    When working with JavaScript, it is often necessary to retrieve the values from the query string of a URL. The query string is the part of the URL that comes after the question mark (?) and contains key-value pairs separated by ampersands (&). There are several ways to get query string values in JavaScript. Let’s…

  • Scroll to an Element with Jquery

    Scrolling to a specific element on a webpage can be a common requirement when developing websites or web applications. In this blog post, we will explore how to scroll to an element using jQuery, a popular JavaScript library. Method 1: Using the animate() function One way to scroll to an element is by using the…

  • Set a Default Parameter Value for a Javascript Function

    When working with JavaScript functions, it is often useful to set default parameter values. This allows you to define a default value for a parameter if no value is provided when the function is called. In this blog post, we will explore different ways to set a default parameter value for a JavaScript function. Method…

  • How to Format a Number with Commas as Thousands Separators?

    When working with numbers in JavaScript, it is often necessary to format them in a specific way to improve readability. One common formatting requirement is to add commas as thousands separators. In this blog post, we will explore different solutions to achieve this formatting in JavaScript. Solution 1: Using the toLocaleString() method The easiest way…

  • Validate Decimal Numbers in Javascript – Isnumeric()

    When working with user input in JavaScript, it is important to validate the data to ensure it meets the required format. One common validation task is to check if a given input is a valid decimal number. In JavaScript, there is no built-in function to directly check if a string is a valid decimal number.…

  • Disable/Enable an Input with Jquery?

    Disabling or enabling an input field using jQuery is a common requirement in web development. In this blog post, we will explore different ways to achieve this functionality. Method 1: Using the prop() method The prop() method is used to set or return properties and values of the selected elements. To disable an input field…

  • Get Selected Text from a Drop-down List (Select Box) Using Jquery

    As a tech professional, you may often come across the need to get the selected text from a drop-down list (select box) using jQuery. In this blog post, we will explore different solutions to achieve this. Solution 1: Using the .val() method The simplest and most straightforward way to get the selected text from a…

  • How Do I Chop/Slice/Trim off Last Character in String Using Javascript?

    When working with strings in JavaScript, you may come across a situation where you need to remove the last character from a string. There are several ways to achieve this, and in this blog post, we will explore three different solutions. Solution 1: Using the slice() method The slice() method in JavaScript allows you to…

  • Generating Random Whole Numbers in Javascript in a Specific Range

    Generating random whole numbers in JavaScript is a common task, but what if you want to generate these numbers within a specific range? In this blog post, we will explore different ways to generate random whole numbers in JavaScript within a specific range. Method 1: Using Math.random() and Math.floor() The first method involves using the…