Recent questions tagged JavaScript

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javascript - architecture to Facebook-chat from a webpage, (XMPP? Strophe? Punjab?)

I would like to implement FB-chat inside a webpage. I looked around in Facebook API, i found out that chat is ... help. Thanks a lot. Sabah 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 - Restrict vue/vuex reactivity

Let's assume we have some array of objects, and these objects never change. For example, that may be ... (like knockout.js observableArray). See Question&Answers more detail:os...

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

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545 views

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javascript - Google Maps v3: How to tell when an ImageMapType overlay's tiles are finished loading?

I'm working with the Google Maps v3 API, and I have a custom overlay layer based on the ImageMapType class. I ... add an overlay. Also, kittens. See Question&Answers more detail:os...

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

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332 views

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javascript - Promises With Google Maps Geocoder API

Im trying to create a set of functions that translates a set of addresses to lat long values using the Google ... or pointers you would have! See Question&Answers more detail:os...

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

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372 views

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javascript - What's the meaning to chain call and apply together?

I come across this code in jsGarden, and I cannot figure the meaning to chain call and apply together. Both ... prototype.method, arguments); }; See Question&Answers more detail:os...

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

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251 views

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javascript - Backbone.js cause bug only in IE7

I'm developping a web app with CodeIgniter on back-end and Backbone.js on front-end. I'm also using HTML5 ... and know how to solve 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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452 views

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javascript - prevent scrolling with arrow keys

how can i prevent a html page from scrolling when arrow keys are pressed if a iframe inside it is focused ... . the parent scrolls anyway. See Question&Answers more detail:os...

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

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359 views

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javascript - Animation for carousel with ng-boostrap and Angular 2

I am using the carousel component with ng-bootstrap. I understand there's an open issue for a proper ... have tried transition but failed. See Question&Answers more detail:os...

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

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520 views

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javascript - How do I wait for a reply in discord.js?

So what I want my bot to do is wait for a message from the user so when a user sends "!spec" the bot ... . I am not used to the library. See Question&Answers more detail:os...

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

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287 views

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javascript - Functional way to create an array of numbers

How could I write the following code more functionally using ES6, without any 3rd party libraries? // sample ... achieve it in this situation. See Question&Answers more detail:os...

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

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409 views

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javascript - -webkit-tap-highlight-color: rgba(0,0,0,0); on a div?

Is there any way to apply this to a 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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437 views

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javascript - Can I use jQuery to easily shift li elements up or down?

I have a menu like this: <ul id="menu" class="undecorated"> <li id="menuHome"><a href="/">Home< ... other way of achieving this 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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javascript - How to fix chart Legends width-height with overflow scroll in ChartJS

I want to create pie chart for my project, so I am using ChartJS for it, but there are some issues with chartJS, If I ... 41, 64, 48] }] } }); See Question&Answers more detail:os...

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

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368 views

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javascript - how to implement 'page break' in epub reader

Any idea how to implement 'page break' in epub reader? .epub is nothing but HTML pages, and epub reader ... it completely in the current page? See Question&Answers more detail:os...

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

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541 views

1 answer

javascript - Load an html5 canvas into a PIL Image with Django

I'm trying to get the contents of an html5 canvas and pass it to my django server, where it will then be ... data:image/png;base64,') 'VBORw0K' See Question&Answers more detail:os...

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

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837 views

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javascript - Express Validator Error: expressValidator is not a function

I'm trying to install and use express-validator package. I've installed the package version (6.0.0) and then in ... .redirect('/finished') } }) See Question&Answers more detail:os...

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

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301 views

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javascript - js sort() custom function how can i pass more parameters?

I have an array of objects i need to sort on a custom function, since i want to do this several times on ... done in a convenient way? 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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365 views

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javascript - Printing contents of another page

In the following link <a href="#" onclick=javascript:print("") style="color:blue;">Print</a>" <script> ... print the contents of another page } 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 - How can I refresh a form page after the form submits to _blank?

I have an HTML form which targets _blank. I would like the page that form is on to reload after submitting. ... suggestions? (please no 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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887 views

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javascript - How to enable infinite scrolling in select2 4.0 without ajax

I am using select2 with custom data adapter. All of the data provided to select2 is generated locally in ... infinite scroll without ajax? See Question&Answers more detail:os...

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

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461 views

1 answer

javascript - How to configure raw-loader in Angular 7 to load text files?

I want to use a raw-loader with my Angular 7 to import text files into my TypeScript source code. I've ... find anything specific to Angular 7. See Question&Answers more detail:os...

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

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307 views

1 answer

javascript - How to upload an image through jQuery?

For past few days i have been struggling to submit a form with jQuery and AJAX. The problem i'm facing is ... to the server through the AJAX. See Question&Answers more detail:os...

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

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653 views

1 answer

javascript - Change html canvas black background to white background when creating jpg image from png image

I have a canvas which is loaded with a png image. I get its jpg base64 string by .toDataURL() method like ... color to white? Thanks in advance. See Question&Answers more detail:os...

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

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426 views

1 answer

javascript - Repeat request (Angular2 - http.get) n seconds after finished

I played around with angular2 and got stuck after a while. Using http.get works fine for a single request, but I want to ... ------------> | See Question&Answers more detail:os...

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

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541 views

1 answer

javascript - Splitting Text Color with CSS when compared to the background

I'm trying to achieve the following but really struggling. I simply am trying to achieve a diagonal background which ... Mission</h2> </header> 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

1 answer

javascript - jQuery Autocomplete performance going down with each search

I am having an issue with jQuery Autocomplete plugin. By searching mutltiple times with term "item", at first it ... "text" id="autocomplete"/> See Question&Answers more detail:os...

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

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409 views

1 answer

javascript - Backbone.js fetch problem (can't refresh data immediately)

I have such code: var MyModel = Backbone.Model.extend(); var MyCollection = Backbone.Collection.extend({ url: ' ... immediately. How to do 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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293 views

1 answer

javascript - Detect whether browser is IE 7 or lower?

So i am going to add a redirect to my site to toss every one that is using ie 7 or lower off to a ... .location = "main.html" </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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