Is it possible to capture or print what's displayed in an html canvas as an image or pdf?   I'd like to generate an image via canvas, and be able to generate a png from that image....
I've seen public exports of ES6 modules done in both of the following ways:  // method 1 export var getAnswer = function () { return 'forty two'; };  // method 2 export default function () { return 'forty two'; };    Are both of...
I'm trying to create a module that exports multiple ES6 classes. Let's say I have the following directory structure:  my/ ??? module/     ??? Foo.js     ??? Bar.js     ??? index.js   Foo.js and Bar.js each export a default ES6 class:  // Fo...
Looking at a random source file of the express framework for NodeJS, there are two lines of the code that I do not understand (these lines of code are typical of almost all NodeJS files).  /**  * Expose `Router` constructor.  */  exports = module.exp...
Let's say I have <div id="main"> ... Some html ...</div> and I need to take the html code whithin this div, place it inside a file and force a download of it in TXT format.  How can that be done? Should I use PHP or Javascript...
i have an index.js file that reads:  import aReducer from './ducks/a'; import bReducer from './ducks/b'; import * as aSelectors from './ducks/a'; import * as bSelectors from './ducks/b';  console.log(aReducer) //functi...
I have a web app that is generating inline SVG graphics in the client on the fly based on user interaction. The graphic is defined partly by element attributes and partially by CSS classes and id's.   I would like to be able to provide an option...
I want to export a few items from my localStorage to save it externally but in a format so that I can import it again later.  My attempt was to write executable code that can be pasted later in a textarea. Then the value of that textare will simply b...
I'm trying to use import and export to create modules and it's not working.  I added https://cdnjs.cloudflare.com/ajax/libs/babel-standalone/6.24.0/babel.min.js to the index.html header and tried to import a js file and get an error message s...
I have made a Web page using jquery and php where all files are used in a modular style. Now I have two JavaScript files which must communicate with each other. One Script generates a variable (id_menu_bar) which contains a number. I want that this v...

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