Recent questions tagged javascript

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javascript - how to schedule ajax calls every N seconds?

If I want a whole page to reload every N seconds, I would put something like this in the HTML: meta http ... updated more often than others. TIA 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 - Array map function doesn't change elements

In JavaScript, I have an array, which is array = [true, false] In some cases, I am trying to initialize this array ... }, {id:2, checked:true}] 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 - Can't change border color of Material-UI OutlinedInput

I'm trying to change the border color of a v4.13 MaterialUI Outlined Input. However I have not gotten anything ... am unable to override it. 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 - removeEventListener is not working

I don't know what I am doing wrong but here is an example of what I am doing and it doesn't seem to ... doesn't remove the 'mousemove' listener 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 - Convert array of objects to array of arrays

var json = [{one: "text1", two: "text2", three: 3, four: 4}, {one: "text3", two: "text4", three: 5, ... it easily? If not a for loop might do. 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 - Why does JSON.stringify not serialize non-enumerable properties?

I'm serializing objects to JSON strings with JavaScript, I noticed only enumerable object properties get ... -enumerable properties myself? 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 - innerWidth and outerWidth oddness on desktop

Open the console in chrome (whilst on SO) and copy in innerWidth + "|"+outerWidth + "|" + screen.width ... explain any of the above observation. 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 - Remove trailing numbers from string js regexp

I am trying to remove the trailing numbers from the string using JavaScript RegExp. Here is the example. Input output ... what I am looking for! 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 - Set cursor to specific position on specific line in a textarea

I am trying to somewhat duplicate the "autocorrect" functionality seen in programs like Microsoft Office's Outlook. ... 't understand the issue 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 - TFS 2015 REST API Authentication

We are trying to invoke the TFS 2015 REST API's from a web-page using Javascript and have a challenge in ... edit TFS workitems from REST API. See Question&Answers more detail:os...

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

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723 views

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javascript - Rails: Webpacker 4.2 can't find application in /app/public/packs/manifest.json heroku

I'm a bit stumped. My local rails app works great with webpacker 4.2 and react, but when deploying ... json for performance cache_manifest: true 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 - Service Worker Registration Failed

I am currently working on service worker to handle push notification in browser. Currently I am having this "SW ... anyone help with this issue? 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 to solve problem with too many re-renders in context?

Whenever I update user (object) in users (array) in context - all components which uses users re-renders. What ... How to write this properly? See Question&Answers more detail:os...

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

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473 views

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javascript - Why can't I get the input from the input box?

I have made the following code to get the input from the input box. However, it can't get the input? Why? var p ... "></script> </body> </html> See Question&Answers more detail:os...

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

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392 views

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javascript - Why is typeof x never 'number' when x comes from the prompt function?

I'm having trouble getting the first function (below) to work correctly. I want it to ask for the age of the ... site."); } } confirm_age(); See Question&Answers more detail:os...

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

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427 views

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javascript - What does "this" mean in a nodejs module?

I have a simple codes like the following and execute it as a node module: console.log(this); module.exports ... does the this keyword refer to? See Question&Answers more detail:os...

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

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452 views

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javascript - How can I modify the markers?

Im a beginner and I'm trying to lean to code and use google map api v3. I would like to customize the marker of ... tbody></table></div> </body> See Question&Answers more detail:os...

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

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435 views

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javascript - Can the mechanism that loads the worker in Shared Web Workers be modified?

Please see this related question for a background to this: How can I load a shared web worker with a ... order to perform the modification? See Question&Answers more detail:os...

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

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479 views

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javascript - unable to set a LatLngBounds with longitude from -180 to 0

When trying to set a new LatLngBounds, for the southwest quarter of the world, the SouthWest longitude is ... /jsfiddle.net/vr6ztq9z/1/ 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 - Process chain of functions without UI block

I need to perform several functions in my JavaScript/jQuery, but I want to avoid blocking the UI. AJAX is ... synchronous way will not work. See Question&Answers more detail:os...

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

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556 views

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javascript - How to use XMLHttpRequest to download an HTML page in the background and extract a text element from it?

I want to make a Greasemonkey script that, while you are in URL_1, the script parses the whole HTML web page ... the critics consensus from it. See Question&Answers more detail:os...

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

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559 views

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javascript - Promise.then Job execution order

The spec says (para 5): The PendingJob records from a single Job Queue are always initiated in FIFO order. This ... > console.log('one')); See Question&Answers more detail:os...

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

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471 views

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javascript - Using 'this' within nested Prototype sub-objects

I have a class, and have given its prototype several sub-objects to facilitate namespacing. These sub-objects have ... like this to return 44 See Question&Answers more detail:os...

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

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608 views

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javascript - Getting waypoints from leaflet routing machine

I'm trying to get the waypoints from a route (leaflet routing machine) as latitude and longitude so I can write ... ://jsfiddle.net/drcccx91/8/ See Question&Answers more detail:os...

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

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703 views

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javascript - What is the alternative for the chart extender attribute in PrimeFaces 5.2 and newer

I'm using primefaces 5.2 latest version and tried for line chart, it's working fine. Am trying to change the ... my code have any wrong syntax? See Question&Answers more detail:os...

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

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508 views

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javascript - google script detect empty cell after edit or delete

I have a problem with my code. It seems fine but it doesn't work and I really don't know why. I tried ... } And screen of my test sheet: See Question&Answers more detail:os...

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

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601 views

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javascript - d3.js spreading labels for pie charts

I'm using d3.js - I have a pie chart here. The problem though is when the slices are small - the ... textTween); valueLabels.exit().remove(); See Question&Answers more detail:os...

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

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513 views

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javascript - "Autoplay" HTML5 audio player on mobile browsers

I am creating a HTML5 music website for mobile users.The goal is to get it running completely in mobile browsers.. ... tracklistitem:10 }); }); See Question&Answers more detail:os...

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

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