Recent questions tagged Javascript

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javascript - How to get base64 encoded data from html image

I have a registration form where users can choose an avatar. They have 2 possibilities: Choose a default avatar ... of base64 encoded data. See Question&Answers more detail:os...

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

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570 views

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javascript - Select2 open dropdown on focus

I have a form with multiple text inputs and some select2 elements. Using the keyboard to tab between fields works ... after a selection is made. See Question&Answers more detail:os...

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

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463 views

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javascript - Connect to Socket.IO server with specific path and namespace

My Node.js application is running at URL http://www.example.com/myapp/. I have configured a Socket.IO server (version 1 ... /socket.io/a/b/c'}); See Question&Answers more detail:os...

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

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javascript - Simple way to get element by id within a div tag?

Please forgive me if I repeat the question. I have HTML that all elements inside a div tag has different id, suppose I ... id="edit2" /> </div> See Question&Answers more detail:os...

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

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281 views

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javascript - Disable Asset Minification in Rails Production

In order to debug javascript in my heroku production environment, I need to disable asset compression (or at least ... ideas what I did wrong? See Question&Answers more detail:os...

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

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302 views

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javascript - Global variable in Web worker

I am using this Web worker which has a Global variable declared in it. Can I access the same (Global variable in ... ; } fetch_ajax('test.txt'); See Question&Answers more detail:os...

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

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javascript - How can I use deflated/gzipped content with an XHR onProgress function?

I've seen a bunch of similar questions to this get asked before, but I haven't found one that describes ... javascript updateProgress(pct); }); See Question&Answers more detail:os...

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

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213 views

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javascript - How can I block a React component to be rendered until I fetched all informations?

I need to fetch some informations before rendering my component. The information will be provided by an API and ... very much for your help! See Question&Answers more detail:os...

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

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340 views

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javascript - How to upload to AWS S3 directly from browser using a pre-signed URL instead of credentials?

We'd like to use Javascript AWS SDK to upload files to S3, but without using credentials at all. Uploading using credentials ... is', url); }); See Question&Answers more detail:os...

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

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425 views

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javascript - transitionend event fires twice

I have the following code and my problem is that the transitionend event is fired twice. I don't know what's ... <div class="submarine"></div> See Question&Answers more detail:os...

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

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160 views

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javascript - React - check if element is visible in DOM

I'm building a form - series of questions (radio buttons) the user needs to answer before he can move ... })(Component) export default Insurance See Question&Answers more detail:os...

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

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247 views

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javascript - a way to check validity of HTML5 forms?

Is it possible to check if an input element of an html5 form is valid based on the pattern I set for it ... javascript to re-verify this stuff. See Question&Answers more detail:os...

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

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491 views

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javascript - How to ignore files grunt uglify

Background I've just started using grunt as of about 30mins ago. So bear with me. But I have a rather ... exception and ignore main.min.js? See Question&Answers more detail:os...

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

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275 views

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javascript - How to remove the extra spaces in a string?

What function will turn this contains spaces into this contains spaces using javascript? I've tried the following, ... way to accomplish this? See Question&Answers more detail:os...

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

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254 views

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javascript - Conditionally set an object property

Is there some syntax for setting properties based on a condition? data: { userId: 7, actionId: 36, express: ( ... , actionId: 36 }) ); See Question&Answers more detail:os...

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

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445 views

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javascript - Refused to display 'url' in a frame because it set 'X-Frame-Options' to 'SAMEORIGIN'

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

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453 views

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javascript - How to get Twitter Bootstrap Modal's invoker element?

I have got a a element for invoking modal: <a class="btn" data-toggle="modal" data-target="#myModal" ... - from my event subscriber function? See Question&Answers more detail:os...

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

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171 views

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javascript - How is ESLint integrated into Create React App?

When I run npx create-react-app ..., a bare-bone React project is being created for me. When I then ... usually notices the presence of ESLint? See Question&Answers more detail:os...

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

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384 views

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javascript - JSLint error: "Move the invocation into the parens that contain the function"

What does JSLint mean by this error? And how should it be rewritten? Error: Problem at line 78 character 3: Move ... the function: })(jQuery); See Question&Answers more detail:os...

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

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485 views

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javascript - Marker in leaflet, click event

var map = L.map('map'); var marker = L.marker([10.496093,-66.881935]).on('click', onClick); function ... why it doesn't work in the marker? See Question&Answers more detail:os...

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

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228 views

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javascript - "Error: You may not call store.getState() while the reducer is executing."

I just upgraded my fully functional react-native app to Redux v4, but now I am getting ... ] invokeCallbackAndReturnFlushedQueue@[native code] See Question&Answers more detail:os...

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

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413 views

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javascript - Determine what is being dragged from dragenter & dragover events

I'm trying to use the HTML5 draggable API (though I realize it has its problems). So far, the only ... still hoping for a better answer. See Question&Answers more detail:os...

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

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232 views

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javascript - How to exit from setInterval

I need to exit from a running interval if the conditions are correct: var refreshId = setInterval(function() { var properID ... --> } }, 10000); See Question&Answers more detail:os...

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

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363 views

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javascript - Is an empty iframe src valid?

I want an iframe to initially have src as blank and then once the page loads; call a JS function and ... something else like javascript:;, etc See Question&Answers more detail:os...

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

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241 views

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javascript - JQuery - how to select dropdown item based on value

I want set a dropdown(select) to be change based on the value of the entries. I have <select id="mySelect"> < ... How can I do this with JQuery? See Question&Answers more detail:os...

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

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230 views

1 answer

javascript - Add a fragment to the URL without causing a redirect?

Is there is a way how to add hash # to my URL without redirect? See Question&Answers more detail:os...

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

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241 views

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javascript - Set element width or height in Standards Mode

Is it possible to set width or height of HTML element (ex. <div>) in JavaScript in Standards Mode? ... How to bypass this disfunctionality? See Question&Answers more detail:os...

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

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161 views

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javascript - Code not running in IE 11, works fine in Chrome

The following code can be run without a problem in Chrome, but throws the following error in Internet Explorer 11. Object ... td> </tr> </table> See Question&Answers more detail:os...

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

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