Recent questions tagged Javascript

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javascript - Creating a 10-Band Equalizer Using Web Audio API

I'm trying to wrap my head around using the Web Audio API to recreate something like Winamp's 10-band ... output (including the destination). See Question&Answers more detail:os...

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

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178 views

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javascript - Draggable line chart in R/Shiny

I have built an R/Shiny app which uses linear regression to predict some metrics. In order to make this app ... help on how to achieve 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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891 views

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javascript - Detect if console/devtools is open in all browsers

I'm trying to create a script which will run when any browser console is opened or closed. Is there any way ... or any other client-side script? 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 - auto login remote site inner in iframe

I have an existing remote site which has Authentication to access, now I want to combine this site in my ... modification can do in remote site 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 post multiple Axios requests at the same time?

At this moment I have a webpage in which a long list of Axios POST calls are being made. Now, the requests seem to ... log( 'Request sent!' ); } See Question&Answers more detail:os...

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

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304 views

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javascript - Is it feasible to do an AJAX request from a Web Worker?

I do not seem to be able to use jQuery in my webworker, I know there must be a way to do it with ... good option when I read this answer. 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 - $http response Set-Cookie not accessible

I'm currently writing an angularjs frontend to my backend, and I'm running into a somewhat common issue: Server ... )? Any help is 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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242 views

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javascript - Automatically change text color to assure readability

Users can set the background-color of a button through a textbox that accept RGB hexadecimal notation: ff00ff, ... idea is assure readability. See Question&Answers more detail:os...

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

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299 views

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javascript - Is it possible to set up a socket.io client running (server-side) on a node.js server?

I'd like to enable socket-based p2p communications between two or more different node.js application servers ... can achieve this functionality? 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 - Cross browser div center alignment using CSS

What is the easiest way to align a div whose position is relative horizontally and vertically using CSS ? The ... do the vertical alignment ? See Question&Answers more detail:os...

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

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320 views

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javascript - How to re-render a template in an AngularJS directive?

I've create a directive that generates Twitter buttons. Since the scope variables on those buttons may change, ... -render the template instead? See Question&Answers more detail:os...

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

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129 views

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javascript - How can I find current element on mouseover using jQuery?

How can I get the class name of the current element that is on mouseover? For example When a mouse is over from ... can I get it using 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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275 views

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javascript - How can I get angular.js checkboxes with select/unselect all functionality and indeterminate values?

I am looking for something exactly like these (tri-state checkboxes with "parents"). But using that ... indeterminate checkbox goes into. See Question&Answers more detail:os...

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

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141 views

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javascript - Force SSL with expressjs 3

I'm running a node.js express 3 server with no proxies and using SSL. I'm trying to figure out how to force all ... . How do we do this? 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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170 views

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javascript - How can I add a two column unique id to the mongodb in a meteor app?

I am trying to create a two column unique index on the underlying mongodb in a meteor app and having trouble. ... to prod instead of manually. See Question&Answers more detail:os...

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

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170 views

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javascript - Angular 4 - Scroll Animation

I'm creating a webpage having full page width/height div's. While scrolling down I've two types of methods. ... to scroll to next 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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445 views

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javascript - WebRTC - How many STUN/TURN servers do I need to specify?

I'm having trouble with NAT traversal and WebRTC. Videostreaming works with some people, but not with someone who ... would that code look like? See Question&Answers more detail:os...

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

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143 views

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javascript - Scrolling a div with jQuery

I am attempting to create a div in a container within a container which is scrollable with up and down ... would be highly 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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219 views

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javascript - How to convert an x-www-form-urlencoded string to JSON?

Exampple of application/x-www-form-urlencoded string CorrelationId=1&PickedNumbers%5B%5D=1&PickedNumbers%5B%5D=2&PickedNumbers%5B%5D= ... }; See Question&Answers more detail:os...

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

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203 views

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javascript - how to automatically scroll down a html page?

I'm trying to start each page after the homepage about 500px down, similar to this website: http://unionstationdenver ... scroll up. Any help? See Question&Answers more detail:os...

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

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129 views

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javascript - Primary Key issue on iOS8 implementation of IndexedDb

The issue is when you have two different object stores in the same indexeddb, primary key values appear to be " ... this at the database level. See Question&Answers more detail:os...

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

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190 views

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javascript - see if src of img exists

when I place an img tag I create the src attribute dynamically. Is there a way of testing if the src ( ... javascript in order to avoid getting: See Question&Answers more detail:os...

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

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298 views

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javascript - How to use ExpressJS and Socket.io on a same port?

In the third version of ExpressJS express.createServer() changed to express() this changes makes difficult to bind ... //gist.github.com/3596852 See Question&Answers more detail:os...

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

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162 views

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javascript - Update one of the objects in array, in an immutable way

In React's this.state I have a property called formErrors containing the following dynamic array of objects. [ ... grateful for some help. See Question&Answers more detail:os...

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

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394 views

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javascript - jquery Ajax call - data parameters are not being passed to MVC Controller action

I'm passing two string parameters from a jQuery ajax call to an MVC controller method, expecting a json response ... 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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165 views

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javascript - Why are semicolons not used after if/else statements?

I understand that it is good syntax to use semicolons after all statements in Javascript, but does any one know ... them after the curly braces? See Question&Answers more detail:os...

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

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127 views

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javascript - Map using tuples or objects

I'm trying to use the new (ES6) Map objects in order to represent a map between properties and a value. ... interested in learning about it too. See Question&Answers more detail:os...

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

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228 views

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javascript - Handling ng-click and ng-dblclick on the same element with AngularJS

I was looking for both single and double-click event handling with AngularJS, since AngularJS always fires only the ... to share your opinions! See Question&Answers more detail:os...

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

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