Event Stream data not showing in Chrome console
I had the same issue. The data does not show up when you are using the eventsource polyfill only when you use the built in browser implementation of the EventSource class.
javascript
Is there a decimal math library for JavaScript?
As their author, I recommend bignumber.js or big.js, ‘a small, fast Javascript library for arbitrary-precision arithmetic with decimal numbers’. For a more mature library, the ICU4J BigDecimal translation is also recommended.
Grab the return value and get out of forEach in JavaScript? [duplicate]
Use a good old vanilla for loop: function discoverDependentFields(fields) { for (var fieldIndex = 0; fieldIndex < fields.length; fieldIndex ++) { var field = fields[fieldIndex]; if (field.DependencyField) { var foundFields = fields.filter(function(fieldToFind) { return fieldToFind.Name === field.DependencyField; }); if (foundFields.length === 1) { return foundFields[0]; } } } } Well, if you want to stay … Read more
Open Select using Javascript/jQuery?
Try this: var myDropDown=$(“#myDropDown”); var length = $(‘#myDropDown> option’).length; //open dropdown myDropDown.attr(‘size’,length); and this to close: //close dropdown myDropDown.attr(‘size’,0);
What’s the difference between next/router and next/navigation?
The useRouter from next/router is to be used in the pages folder, the initial way of setting up routes in Next.js. Since v13, they introduced a new directory called app (used when you say Yes to the last question shown in the below image), built on top of Server Components, where you define routes differently … Read more
Exporting a class with ES6 (Babel)
Browserify is meant to be fed a single “entry point” file, through which it recursively traverses all of your require statements, importing the code from other modules. So you should be require‘ing the _babel.js versions of modules, not _browserified.js ones. From the looks of it, you intend for your app’s “entry point” to be demos/helicopter_game/PlayState_browserified.js, … Read more
How to dynamically mutate “args” in Storybook v6 from the component’s action?
I had the same exact issue, and kept looking for days, till I stumbled upon this github post: https://github.com/storybookjs/storybook/issues/12006 Currently in my React (am sure vue approach will be similar), I do following: import React from ‘react’; import CheckboxGroupElement from ‘../CheckboxGroup’; import { STORYBOOK_CATEGORIES } from ‘elements/storybook.categories’; import { useArgs } from ‘@storybook/preview-api’; export default … Read more
Why Array.forEach is slower than for() loop in Javascript? [duplicate]
Updated based on feedback from @BenAston & @trincot Roughly, this is what’s happening in both cases: For loop Set the index variable to its initial value Check whether or not to exit the loop Run the body of your loop Increment the index variable Back to step 2 The only overhead that happens on every … Read more
Why duck typing is allowed for classes in TypeScript
This is the way structural typing works. Typescript has a structural type system to best emulate how Javscript works. Since Javascript uses duck typing, any object that defines the contract can be used in any function. Typescript just tries to validate duck typing at compile time instead of at runtime. Your problem will however only … Read more
How do I check connection type (WiFi/LAN/WWAN) using HTML5/JavaScript?
See navigator.connection (prefixed). This API exposes information about the bandwidth of the client.