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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What problem does this feature solve?
I just spent way too long debugging something really weird until I realized I accidentally wrote :v-if instead of v-if.
A warning when wrongly using shorthands like : on "native" vue attributes could prevent this bad experience easily.
What does the proposed API look like?
:v-if="foo"
--> console.warn("You specified v-bind:/ v-on:
I had a nice issue description before github/related issues-beta ate it, here's the gist:
https://getbootstrap.com/docs/4.3/utilities/flex/#justify-content
The flex justify documentation examples only display equal-width items (<div>Flex Item</div>).
It might be wise to add one or two examples with non-equal-width divs and more than 3 cols.
Specifically to illustrate that the middl
Update various parts of the text.
There's no such thing as "early ReferenceError" anymore (for things like 0++); they're all just "early SyntaxError" now. tc39/ecma262#691
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.
Consider the following snippet run in the main process where one wants to listen for "will-prevent-default" events and after some asynchronous operation (do_something, a call which returns a Promise) initiated by the event listener, depending on the result (result) of the operation, call preventDefault on the even
Section/Content To Improve
Config defaults
Suggested Improvement
The documentation teases with a concept of common when setting default header values:
axios.defaults.headers.common['Authorization'] = AUTH_TOKEN;
axios.defaults.headers.post['Content-Type'] = 'application/x-www-form-urlencoded';Presumably, that mean
Currently when using the --experimental-resolve-self flag, with the following:
{
"name": "test",
"exports": "./test.js"
}If including a require('test') in the test.js file and running node --experimental-resolve-self pkg/test.js this will throw an error.
It works with "main" and exports subpaths though so may be a sugar-specific or main-specific error case fo
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.
const leftNode = new BinaryTreeNode(1);
const rightNode = new BinaryTreeNode(3);
const rootNode = new BinaryTreeNode(2);
rootNode
.setLeft(leftNode)
.setRight(rightNode);
expect(rootNode.traverseInOrder()).toEqual([1, 2, 3]);
const replacementNode = new BinaryTreeNode(5);
rightNode.setRight(replacementNode);
expect(rootNode.traverseInOrder()).
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
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
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
I want to use Chart.js in IE9 but now it only supports IE 11+.
I remembered that the old versions (i.e. 2.5.0) supports IE 9+, but the links always pointed to the latest documentation. So where can I find documentation for historical versions?
I searched the issues but did not get an answer. Thanks.
When building and running storybook I would like to be able to pass parameters for angular.json. For instance injecting configurations in Angular is done with "ng serve -c my-config" or "ng build -c my-config" and I would like to do the same when running Angular inside storybook.
As Angular does not support environment variables that is not an option.
A professional front-end template for building fast, robust, and adaptable web apps or sites.
-
Updated
Dec 19, 2019 - JavaScript
Element UI version
2.12.0
OS/Browsers version
Windows 10 Chrome
Vue version
2.6.10
Reproduction Link
https://codepen.io/ndionne/pen/rNNZweY?&editable=true
Steps to reproduce
Column with type selection in empty datalist
What is Expected?
Checkbox should'nt be checked while showing as di
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 }; OUDo 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
https://github.com/i0natan/nodebestpractices/blob/spanish-translation/README.md
@eduardomontalvo - Spanish translation can be officially kicked-off. You're the lead! I'll be at your disposal should you need anything. A branch was created (link below), you should have permissions to it, everyone else must PR before changing anything there.
I would ask/recommend only 2 important guidelines:
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
The Head section says:
The next 2 meta tags (Charset and Viewport) need to come first in the head.
I found a reference for Charset being early on in the head:
https://developer.mozilla.org/en-US/docs/Web/HTML/Element/meta
The
<meta>element declaring the encoding must be inside the<head>element and within the first 1024 bytes of the HTML as some browsers only look at those bytes be
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