How do convert an existing callback API to promises in javascript?

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To convert a callback-based API to a Promise-based API in JavaScript, you can wrap the callback-based function in a new function that returns a Promise. Here’s an example: In this example, fetchData is the original callback-based function, and fetchDataPromise is a new function that returns a Promise. The fetchDataPromise function uses the Promise constructor to … Read more How do convert an existing callback API to promises in javascript?

What’s the difference between tilde(~) and caret(^) in package.json

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In the dependencies section of a package.json file, the tilde (~) and caret (^) symbols are used to specify the version range of a package that your project depends on. The tilde (~) symbol specifies a version range that is compatible with the latest patch version of a package. For example, ~1.2.3 would match any … Read more What’s the difference between tilde(~) and caret(^) in package.json

How to change Browser URL without reload page with multiple query params using javascript

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You can change the browser URL without reloading the page by using the history.pushState() method in JavaScript. This method allows you to modify the URL in the address bar of the browser and add query parameters to it. Here’s an example: In this example, newURL is the new URL that you want to add to … Read more How to change Browser URL without reload page with multiple query params using javascript

How JavaScript is different from python

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JavaScript and Python are popular programming languages used for different purposes. Some key differences between the two include: Syntax Python has a more straightforward and simple syntax, while JavaScript uses a syntax that is closer to C programming language. Interpreted vs Compiled Python is an interpreted language, meaning that its code is executed line by … Read more How JavaScript is different from python