Recent questions tagged Javascript

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javascript - HTML5 Fullscreen Event Listener

I'm trying to detect if the current document is fullscreen or not using: document.addEventListener(' ... fullscreen. Any ideas? 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 - WebSocket connection failed: WebSocket opening handshake was canceled

I have recently setup an EC2 instance (in a VPC with no load balancer) and admittedly the configuration is a bit ... did you solve the problem? See Question&Answers more detail:os...

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

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309 views

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javascript - Bootstrap-vue doesn't load CSS

I am writing a Vue.js app with Bootstrap 4 and I can't loaded though I followed the documentation. Added to main ... created by vue-cli 3.0-beta 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 - trigger custom event without jQuery

I'm triggering some DOM Events with jQuery triggerHandler() <!DOCTYPE html> <html> <head> <title>stackoverflow</title> ... > </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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javascript - Return multiple React elements in a method without a wrapper element

I'm trying to return multiple React elements from a helper method. I could solve it simply by moving ... react-multiple-elements-without-wrapper See Question&Answers more detail:os...

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

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354 views

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javascript - Underscore.js _.template causes error from Chrome extension

If I use underscore.js's _.template() from inside a Google Chrome extension I get the following error in the ... way to get past this error? 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 - Will Websockets allow a server to run in the browser?

Are there any plans for a Websockets listen function? Allowing peer to peer applications in the browser could ... mention any listen facility. See Question&Answers more detail:os...

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

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397 views

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javascript - How to catch the error when inserting a MongoDB document which violates an unique index?

I'm building a MEAN app. This is my Username schema, the username should be unique. var mongoose = require ... need password or something else. 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 - Microsoft Edge: onclick event stops working?

I have strange problems with my (ASP.NET) web application in Microsoft Edge. At a certain point the ... of you experience similar problems? 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 - push assets folder to public directory with webpack

I'm using Webpack for the first time. Currently everything is being served up quite nicely. My problem is when I'm ... /index.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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javascript - "Cannot update during an existing state transition" error in React

I'm trying to do Step 15 of this ReactJS tutorial: React.js Introduction For People Who Know Just Enough jQuery ... what does this error mean? 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 make jQuery waypoints plugin fire when an element is in view and not scrolled past?

Please see this: http://jsfiddle.net/5Zs6F/2/ As you can see only when you scroll past the first red ... is seen and not scrolled past? See Question&Answers more detail:os...

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

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411 views

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javascript - What can I use with Web Workers?

I have a few questions about web workers Does the worker have access to storage? E.g. indexedDB/webSQL ... to care about backward compatibility. See Question&Answers more detail:os...

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

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393 views

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javascript - Set cursor position in an input text field

After a lot of search I found the following threads: define cursor position in form input field jQuery Set Cursor Position ... > </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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350 views

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javascript - backbone collection fetch doesn't fire reset()

This is my view for a collection var mssg = mssg || {}; mssg.MessagesView = Backbone.View.extend({ el: ' ... alongside the add for every item. See Question&Answers more detail:os...

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

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274 views

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javascript - how to loop over the child divs of a div and get the ids of the child divs?

I have a div with id test and through the foreach loop I am creating some inner divs inside the test div. ... javascript. Any Idea about this? See Question&Answers more detail:os...

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

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1.1k views

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javascript - Expressjs pm2 ignore watch public/images folder

I have a website using nodejs. Problem is when user upload images the site stop working. That because of PM2 ... solve this problem. thank you See Question&Answers more detail:os...

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

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779 views

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javascript - How to create Vue.js slot programmatically?

I have the following component with a slot: <template> <div> <h2>{{ someProp }}</h2> <slot></slot> </ ... to compile the template on the fly. See Question&Answers more detail:os...

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

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277 views

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javascript - ReactJs: How to pass the initial state while rendering a component?

I know I can pass props while rendering a component. I'm also aware of the getInitialState method. But the problem ... to be an anti-pattern. See Question&Answers more detail:os...

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

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454 views

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javascript - In AngularJS, how do I add a $watch on the URL hash?

Using Angular, how can I add a watch that is fired when the hash is updated, either by my application, or ... bar or the back/forward buttons? See Question&Answers more detail:os...

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

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821 views

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javascript - Node.js http.createServer how to get error

I am new to node.js and am trying to experiment with basic stuff. My code is this var http = require("http" ... how errors are caught in node . See Question&Answers more detail:os...

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

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276 views

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javascript - how to assign variable value as variable name in a hash?

I need to define a hash for posting some ajax data using jQuery. The hash will look something like: var setname ... to do this in JavaScript? See Question&Answers more detail:os...

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

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326 views

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javascript - FireFox invalid regex group

I have the following regex that works fine in chrome but it does not work in FireFox generating syntax error ... the cause of this problem. See Question&Answers more detail:os...

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

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606 views

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javascript - Uncaught (in promise) cancel using SweetAlert2

how do I properly escape the cancel button without throwing an error when using promises? My code throws an alert ... json_data) { }) }); 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 - Error: data and salt arguments required

I am trying to save a user to mongodb database using post request as follow, but I got the error bcrypt Error: data ... (callback); }); }); } See Question&Answers more detail:os...

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

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445 views

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javascript - What is Array.prototype.sort() time complexity?

According to Mozilla documentation : The time and space complexity of the sort cannot be guaranteed as it depends ... 's implemented ? 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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470 views

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javascript - ChartJS. Change axis line color

I wanna know if it's possible to change the color of the chart axis using ChartJS. 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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280 views

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javascript - Apply currency filter to the input field in angularjs

Hi when I am using span tags I can apply the money filter like <div ng-repeat="item in items"> <span ... currency filter to input field. 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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