JavaScript
JavaScript (JS) is a lightweight interpreted or JIT-compiled programming language with first-class functions. While it is most well-known as the scripting language for Web pages, many non-browser environments also use it, such as Node.js, Apache CouchDB and Adobe Acrobat. JavaScript is a prototype-based, multi-paradigm, dynamic language, supporting object-oriented, imperative, and declarative (e.g. functional programming) styles.
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Version
2.6.10
Reproduction link
Steps to reproduce
- compare the AsyncComponentFactory definition with the document
What is expected?
attribute 'componen
As we’re using the same navbar across all our projects now—docs, icons, and blog—I’m wondering if we should be linking to our GitHub org profile instead of the Bootstrap (or Icons) projects in the main navbar.
Thoughts @XhmikosR, @MartijnCuppens, @ysds, @Johann-S?
In What about &&? section we have the following code.
function foo() {
console.log( a );
}
var a = 42;
a && foo(); // 42
result in comment should indicate that foo was called. but in fact we would get same result of "42" if first operand had been called (like in || operator). i think results of a and foo() should be different to make the example be clearer.
The max-classes-per-file rule is enabled in rules/best-practices.js but there is no mention of this requirement in the docs. If this is a best practice, I'd like to know why.
The typings file specifies:
setVibrancy(type: 'appearance-based' | 'light' | 'dark' | 'titlebar' | 'selection' | 'menu' | 'popover' | 'sidebar' | 'medium-light' | 'ultra-dark'): void;whereas docs suggest that passing null disables vibrancy.
The argument type should be nullable
Section/Content To Improve
Section in main readme around performing multiple concurrent requests
Suggested Improvement
There is a request to remove axios.all and axios.spread (axios/axios#1042)
Although the functionality has not yet been removed, we can at least stop advertising it if there is intent (with good reason) to remove it. We can still keep
When not using a file extension in ESM - eg import pkg from './path' we currently just throw a straightforward not found error. As proposed by @MylesBorins in nodejs/modules#443 it would be useful to enhance this error message.
Ideally the error message should run the CJS resolver and say "the CJS resolver would have resolved this module to ...". We actually previous
Huge and nice collection and also getting very much appreciated from the community.
It would be great if somebody can translate into English then it will be reaching out to global.
Redundant condition
This condition is redundant, the while condition covers the case where n equals 1.
p.s- I will exploit this opportunity to say thank you for this repository.
The deprecated decodeDracoFile method should be removed and replaced with a parse method similar to other loaders. Currently decodeDracoFile does not propagate errors, and should do so. So probably a signature like:
dracoLoader.parse( arrayBuffer, /* options, maybe? */, onLoad, onError );Found with @RyanCavanaugh
interface Dog {
barkable: true
}
declare function getRover(): Dog;
export let x: Dog = getRover;Expected
Type '() => Dog' is not assignable to 'Dog'.(2741)
input.ts(7, 21): Did you mean to call this expression?
Actual
Property 'barkable' is missing in type '() => Dog' but required in type 'Dog'.(2741)
input
📚 Docs or angular.io bug report
Description
I)n the insertBefore() method, it says that refChild p
Description
So our function arrayToHtmlList is in a pretty bad space and could use an update. We already had some discussion over at #675 but I wanted to move the update discussion over to an issue for more visibility.
Current problem:
It uses an awkward query selector instead of the `document.prototype.getElementBy
- The issue is present in the latest release.
- I have searched the issues of this repository and believe that this is not a duplicate.
Current Behavior 😯
Link color stays as if the theme was light (default)
Expected Behavior 🤔
Link color becomes brighter as in the examples on MUI docs.
Steps to Reproduce 🕹
https:
Feature request
Support optionalDependencies as NPM and Yarn do:
http://npm.github.io/using-pkgs-docs/package-json/types/optionaldependencies.html
https://yarnpkg.com/lang/en/docs/dependency-types/
It's useful for example when you need to use an package in Windows and other in Mac/Linux and packages support os t
If you follow the readme procedure, the following error will occur in the first npm install express.
saveError ENOENT: no such file or directory, open '/xxx/xxx/package.json'
As you know, the cause is package.json does not exist.
Other users seem to have a similar error, so it seems better to add npm init to the readme.
Or I thought it would be nice to bring a link `Please follow
Documentation Is:
- Missing or needed
- Confusing
- Not Sure?
Current documentation
Having a look to the current documentation, the chain to set the datasets options is:
- per dataset: dataset.*
- per chart: options.datasets[type].*
- or globally: Chart.defaults.global.datasets[type].*
Wha
I tried to follow the initial steps from here: https://www.learnstorybook.com/intro-to-storybook/react/en/get-started/
running:
npx create-react-app taskbox
cd taskbox
Then when I ran:
npx -p @storybook/cli sb init
I get the error TypeError: Cannot set property 'storybook' of undefined
This is the full message in my terminal:
sb init - the simplest way to add a
A professional front-end template for building fast, robust, and adaptable web apps or sites.
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Updated
Dec 29, 2019 - JavaScript
Existing Component
是
Component Name
table
Description
when i call toggleAllSelection function , the select-all were emited。but the document describe select-all will be emited when user click the button。I think the md document should describe the feature correctly
const customizer = console.log // returns undefined => merging is handled by `mergeAllWith`
// good
mergeAll([{ a: 1 }, { b: 2 }]) // { a: 1, b: 2 }
mergeAllWith(customizer, [{ a: 1 }, { b: 2 }]) // { a: 1, b: 2 }
// A-OK; customizer logs the following:
// undefined 2 "b" Object { a: 1, b: 2 } Object { b: 2 } undefined
// bad
mergeAll({}, { a: 1 }, { b: 2 }) // { a: 1, b: 2 }; OUOn Meteor 1.8.1 this is maybe true for browser-policy package, but it is not really true for any realistic Meteor app these days because apps use ecmascript which requires dynamic-import, which enabled eval by default. So in practice, by default, eval is enabled. See #10704.
It should be probably clarified in the README that the package by default keeps it disabled, but Meteor apps by
:white_check_mark: The largest Node.js best practices list (December 2019)
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Updated
Dec 29, 2019 - JavaScript
Do you want to request a feature or report a bug?
feature request
What is the current behavior?
Currently yarn why won't indicate any package info in the resolutions field
If the current behavior is a bug, please provide the steps to reproduce.
- install a package with any version, e.g
"pkg": "^1.0.0" - add
resolutionsfield in package.json,pkg: "1.0.0" - upd
🗂 The perfect Front-End Checklist for modern websites and meticulous developers
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Updated
Dec 29, 2019 - JavaScript
Challenge Build a Tribute Page has an issue.
User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.100 Safari/537.36.
Please describe how to reproduce this issue, and include links to screenshots if possible.
好像VIMEO把GOOGLE的云服务器IP拉黑了,始终打不开视频。想问问是否有其他视频源可以观看
Created by Brendan Eich
Released December 4, 1995
- Website
- developer.mozilla.org/en-US/docs/Web/JavaScript
- Wikipedia
- Wikipedia


The GIF over here depicts fCC in its old design. Even though I don't think there's anything wrong with it, I guess it should be updated to align with how fCC looks now
![image](https://user-images.githubusercontent.com/34807532/70627002-6e7c8280-1c4b-11ea-87d