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How to say "and not" in JavaScript? If you want to exclude something from a condition, you can use the "and not" operator. In JavaScript, the "and not" operator is represented by the exclamation mark followed by two equals signs (!==). This operator is used
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Javascript Basic Function As a web developer, it is important to have a good understanding of Javascript. One of the fundamental concepts in Javascript is functions. Functions are reusable blocks of code that perform a specific task. There are two ways to define functions in Javascript: * Function declaration * Function expression
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Null Value Check in React JS As a developer, you may have come across a situation where you need to check if a value is null or not in React JS. In this post, we'll explore different methods for null value check in React JS. Using Ternary Operator
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hljs.highlightAll(); What is Composer Lib Version? Composer is a dependency manager for PHP. It allows you to manage your project dependencies easily. Whenever you install a package using Composer, it creates a directory called vendor in your project root directory. This directory contains all the packages that your project
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What is indefOf? In JavaScript, the indexOf() method is used to find the index of a specified value in a string or an array. The method returns -1 if the value is not found. The indexOf() method can be used with both strings and arrays. When used with strings, it
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What is an Assertion Error in Jest? An assertion error in Jest is an error that occurs when an assertion made by a test fails. When a test fails, Jest throws an error indicating that the expected result of the test does not match the actual result. This error message
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What is Infrastructure as a Service (IaaS)? Infrastructure as a Service (IaaS) is a cloud computing model where the cloud provider offers virtualized computing resources, such as servers, storage, networking, and operating systems, to customers over the internet. With IaaS, customers can provision resources on-demand and pay for what they
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Converting Text to Lowercase in JavaScript If you want to convert text to lowercase in JavaScript, you can use the toLowerCase() method. This method returns the calling string value converted to lowercase. Example: var text = "HELLO WORLD"; var lowercaseText = text.toLowerCase(); console.log(lowercaseText); // Output: hello world In
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How to Get Screen Resolution Using jQuery If you're building a website or web application, it's important to know the screen resolution of the user's device. This can help you optimize your content for their particular display, making it easier to read and use.
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JQuery .click Function Call As a web developer, there might be instances where you want to add some interactivity to your web page. For example, you might want to add a button that a user can click to trigger an action. In such cases, you can use the JQuery .click(
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How to Disable Click Outside of Bootstrap Modal Popup? If you are using Bootstrap Modal Popup in your web application, you might want to disable the click outside of the modal popup. This will prevent the user from closing the modal by clicking outside of it. There are a few
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How to Update Heroku? Heroku is a popular cloud platform that allows developers to deploy and manage their applications. Updating your Heroku application is important to ensure that your application is running smoothly. Method 1: Updating using Heroku CLI The easiest and fastest way to update your Heroku application is