Recent questions tagged JavaScript

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javascript - Sorting an Array in Random Order

I'm trying to understand how sorting an array in random order works. So, I found the following code: var as = [" ... random(); } console.log(s); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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267 views

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javascript - Using helper methods while templating with Angular JS

Currently in the process of converting a website from its previous templating to Angular. In the previous templating ... similar? If so how? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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263 views

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javascript - Bootstrap Dropdown not working in React

I'm trying to get a dropdown working inside a form for one of my React components. Here is how I'm ... (); Am I missing something? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - jQuery AddClass then removing a class

In my Rails application, I send an Ajax request when the user hits the Save button, when it sends the request, ... . What am I doing wrong? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How to use Jest to test functions using crypto or window.msCrypto

When running unit tests with Jest in react the window.crypto API is causing problems. I haven't found a way ... advice, or tips are appreciated See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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297 views

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javascript - How can I mimic text-overflow: ellipsis in Firefox?

I have some dynamic text contained in a div that is set to whatever a user enters in a textbox field. If the ... so that they don't wrap text? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How to deal with net::ERR_SSL_PROTOCOL_ERROR?

I am including a JS library into my website <script type="text/javascript" src="http://www.turnjs.com/lib/turn. ... on my website it doesn't. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How to prevent calling of en event handler twice on fast clicks?

There is a button and when user clicks on button, some data is saved to back-end. Issue is when user ... execution has been done completely. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How to get the caller event and dom element id

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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434 views

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javascript - Listen only to additions to a cloud firestore collection?

I've noticed, when I try to use a realtime listener on a Collection in firestore, each time a new Document is ... 3 Tweet 4 If that makes sense See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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256 views

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javascript - Does Content Security Policy block bookmarklets?

Does Mozillas CSP block to execute Javascript from a bookmark by default? Can it be configured to do so? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Promise is synchronous or asynchronous in node js

I have lot of confusion in promise. It's a synchronous or asynchronous ? return new Promise (function(resolved,reject){ //sync or async? }); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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464 views

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javascript - Bootstrap popover destroy & recreate works only every second time

I want to programmatically destroy & recreate a specific Bootstrap popover. So what I do is: $('#popoverspan'). ... access to the old one? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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318 views

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javascript - Use CSS Modules in React components with Typescript built by webpack

I want to use the css-loader with the 'modules' option of webpack in a React application written in Typescript ... it ts-loader behaving wrong? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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347 views

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javascript - Will console.log prevent garbage collection?

If I have an object that would normally be garbage collected, but has been logged to the console, will it still ... to the console do so? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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316 views

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javascript - Styling bar colors in Highcharts with a gradient issue

I'm trying to color the bars in highcharts with a gradient. What I have is coloring them, but the problem is, the gradient ... 180, 5)'] ] },], See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.4k views

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javascript - How to specify browser language in Puppeteer

I would like to launch a Google Chrome browser with language Spanish es using Puppeteer. I've tried puppeteer.launch( ... , 15-inch, Mid 2015 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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415 views

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javascript - Scroll horizontally starting from right to left with CSS overflow:scroll

So I am wondering if there is a possibility to have a different starting position with the overflow:scroll value; ... direction:rtl; but no luck See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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379 views

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javascript - How to get maximum document scrolltop value

I am making some plugin and I need to get maximum scrollTop value of the document. Maximum scrollTop value ... 2001 through javascript/jquery?! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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173 views

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javascript - Angular - ng-change not firing when ng-model is changed

The input is the following: <input type="text" ng-model="repair.test" ng-change="action()" /> The action( ... work, only when it is initialised. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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344 views

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javascript - "MongoError: Can't extract geo keys from object" with Type : Point

I try to prepare my database field for geocoding with this: MyCollection._ensureIndex({'data.address.located':'2dsphere'}); ... [ 40, 5 ] } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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481 views

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javascript - wow.js happens on page load and not on scroll

I'm using wow.js, and it works fine, except the animations all happen immediately after the page load, and ... scrolling to a particular div? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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291 views

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javascript - Node js module how to get list of exported functions

Given a node js module/package, is there some way I can extract out all functions exported by that module ? ... tokenizer, parse, slice, curry See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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423 views

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javascript - Can't verify signature witn Node.js Crypto, using key pairs

I've a very small code in nodejs where I sign a string and then try to verify it, using node crypto and key ... use ursa in my project). Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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842 views

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javascript - Mongoose, sort query by populated field

As far as I know, it's possible to sort populated docs with Mongoose (source). I'm searching for a way to ... and would like to optimize that. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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278 views

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javascript - Accessing the process / environment from a grunt template

I have some code in a grunt.js file which is working with 0.3 but breaks on 0.4: { dest: '<%= ... that I can see what variables are available? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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313 views

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javascript - Angular module not available in Karma Jasmine test run

I'm using angular full stack for development, my karma.conf.js file is files: [ 'app/bower_components/jquery/ ... nomod Module is not available. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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710 views

1 answer

javascript - How to get Dropzone.js to upload files only when a submit button is clicked?

for the past few days I've been trying to implement Dropzone into my form, but so far I had no luck figuring out ... </form> </body> </html> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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