Recent questions tagged Javascript

0 votes

340 views

1 answer

javascript - image.onError event never fires, but image isn't valid data - need a work around

I am trying to append an image to a page using JavaScript: image = document.createElement('img'); image. ... the user isn't authenticated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

526 views

1 answer

javascript - Make image fill div completely without stretching

I have large images of varying dimensions that need to completely fill 240px by 300px containers in both dimensions. ... JavaScript. Thanks! :) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

254 views

1 answer

javascript - can phantomjs work with node.js?

I would like to use phantomjs in my node.js script. there is a phantomjs-node library.. but unfortunately the ... working either.. same result! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

449 views

1 answer

javascript - Remove table row after clicking table row delete button

Solution can use jQuery or be plain JavaScript. I want to remove a table row after user has clicked the corresponding ... td> </tr> </table> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

321 views

1 answer

javascript - Is it possible to have multiple Twitter Bootstrap carousels on one page?

Twitter Bootstrap Version: 2.0.3 Example HTML code: <!DOCTYPE html> <html dir="ltr" lang="en-US" xmlns ... multiple carousels on a single page? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

376 views

1 answer

javascript - How to access data of uploaded JSON file?

I have a html code like this: <input type="file" id="up" /> <input type="submit" id="btn" /> And ... programming, all of them are client-side. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

338 views

1 answer

javascript - Using JQuery and Prototype in the same page

Several of my pages use both JQuery and Protoype. Since I upgraded to version 1.3 of JQuery this appears to ... it every time I upgrade JQuery. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

295 views

1 answer

javascript - Property change subscription with Aurelia

I have a property on my viewmodel which I want to listen to and trigger events based on its value, like ... setting up such a subscription? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

510 views

1 answer

javascript - using async await and .then together

Is there any harm in using async/await and .then().catch() together such as: async apiCall(params) { var results ... here }); return results; } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

276 views

1 answer

javascript - Angular 1 - get current URL parameters

I want to extract data from current URL and use it in controller. For example I have this url: app.dev/backend ... help me with this task ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

459 views

1 answer

javascript - How to get the second match with QuerySelector?

The following statement gives me the first element with the class titanic element = document.querySelector('.titanic') ... with the same class? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

677 views

1 answer

javascript - IE10/11 Ajax XHR error - SCRIPT7002: XMLHttpRequest: Network Error 0x2ef3

I've been working on this problem for a few days and reaching out on this forum since I feel like I've ... Any guidance would be helpful! THANKS See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

284 views

1 answer

javascript - How can I convert a jQuery object to an Element?

If I have a textarea like var textarea = $('textarea'), how can I set the value to it using the JavaScript ... object first, but how do I? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

358 views

1 answer

javascript - Firestore select where is not null

I'm using firebase to manage my project and I cannot get to create a query with a where clause where some value is ... it work. Can you help me. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

816 views

1 answer

javascript - gapi is not defined - Google sign in issue with gapi.auth2.init

I'm trying to implement Google Sign In and retrieve the profile information of the user. The error is: Uncaught ... > </body> </html> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

347 views

1 answer

javascript - link element onload

Is there anyway to listen to the onload event for a <link> element? F.ex: var link = document.createElement(' ... loaded in the top window... See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

339 views

1 answer

javascript - How to trigger jquery.ajax() error callback based on server response, not HTTP 500?

By using jquery ajax function, I can do something like: $.ajax({ url: url, type: 'GET', async: ... error callback instead of success callback? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

707 views

1 answer

javascript - How to find the nearest common ancestors of two or more nodes?

Users selects two or more elements in a HTML page. What i want to accomplish is to find those elements' common ... dirty method (?) Thank you. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

446 views

1 answer

javascript - Why IE 11 display blank page rendering react app

I have an issue with IE 11 and my react app. I use Webpack, babel and polyfill.io cdn and all is nice ... may go wrong? Thanks in advance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

477 views

1 answer

javascript - Why is delete not allowed in Javascript5 strict mode?

I'm fairly new to javascript. I noticed that apparently when operating in "use strict" mode, you can ... behind removing this feature? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

323 views

1 answer

javascript - Access Control Origin Header error using Axios

I'm making an API call using Axios in a React Web app. However, I'm getting this error in Chrome ... Control-Allow-Headers in preflight response See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

271 views

1 answer

javascript - What is the recommended way to pass urls as url parameters?

Using &url='+encodeURIComponent(url); to pass a URL from browser to server will encode the url but when it is ... pass urls as url parameters ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

400 views

1 answer

javascript - How to write a ternary operator (aka if) expression without repeating yourself

For example, something like this: var value = someArray.indexOf(3) !== -1 ? someArray.indexOf(3) : ... in ternary operator expressions... See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

529 views

1 answer

javascript - Snap edges of objects to each other and prevent overlap

My goal is to prevent overlapping of two or more rectangles inside my FabricJS canvas. Imagine two rectangles ... only for two rectangles). See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

321 views

1 answer

javascript - Can one use Window.Onscroll method to include detection of scroll direction?

Can one use Window.Onscroll method to include detection of scroll direction? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

353 views

1 answer

javascript - Is there a way to use the Web Audio API to sample audio faster than real-time?

I'm playing around with the Web Audio API & trying to find a way to import an mp3 (so therefore this is only ... do stuff in real-time. Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

704 views

1 answer

javascript - window.opener alternatives

I am opening a modal popup window. Then I access a parent window textbox and other attributes using window. ... which works in both browsers. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

243 views

1 answer

javascript - How to capture generated audio from window.speechSynthesis.speak() call?

Previous questions have presented this same or similar inquiry Can Web Speech API used in conjunction with Web Audio ... or other object type? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

Categories

Just Browsing Browsing

Most popular tags