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  1. How can you encode/decode a string to Base64 in JavaScript?

    If you work with Node.js or Deno, you can use the well-known Buffer.toString and Buffer.from with the encoding argument 'base64', until they implement the latest JavaScript standard. The btoa …

  2. How do I make the first letter of a string uppercase in JavaScript ...

    Jun 22, 2009 · Simon E. Over a year ago Adam, true, but I'd guess that over 95% of the Javascript out there is used with HTML & CSS. Unfortunately, the "capitalize" statement …

  3. How can I update Node.js and npm to their latest versions?

    How to update Node.js To update Node.js itself, I recommend you use nvm (Node Version Manager). Here is the quote from the official npm documentation: We strongly recommend …

  4. Remove duplicate values from a JavaScript array - Stack Overflow

    76 Use Underscore.js It's a library with a host of functions for manipulating arrays. It's the tie to go along with jQuery's tux, and Backbone.js's suspenders. _.uniq _.uniq(array, [isSorted], …

  5. Calling a JavaScript function in another js file - Stack Overflow

    Separate the logic of your JS script files so that each file only contains event listeners or global, independent functions. Load the JS script files with the global, independent functions first.

  6. Upgrading Node.js to the latest version - Stack Overflow

    26 Upgrading node.js to the latest version on Windows Install chocolatey if you haven't already: Installing Chocolatey From the command prompt, type cup nodejs (which is equivalent to …

  7. What is the difference between .js and .mjs files?

    Aug 14, 2019 · Node.js, a JavaScript runtime environment, used CommonJS as the specification for modules. Because so many existing applications were built with CommonJS, when Node.js …

  8. How do I get the current date in JavaScript? - Stack Overflow

    Oct 7, 2009 · Also Note: This is still less bloated than moment.js. While moment.js is nice, imo, it has too many secular methods, which require learning moment as if it were a language. Mine …

  9. What is the difference between .js, .tsx and .jsx in React?

    Oct 13, 2020 · A JS file is a JavaScript file extension and This would be the fully Javascript functions only. JSX is a file syntax extension used by React and here you can use CSS and …

  10. javascript - How do I pass command line arguments to a Node.js …

    I have a web server written in Node.js and I would like to launch with a specific folder. I'm not sure how to access arguments in JavaScript. I'm running node like this: $ node server.js folder here