Recent questions tagged Javascript

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javascript - 3D point rotation algorithm

I'm currently working on a JavaScript project which involves 3D point rotation. Using simple trigonometry, I have ... point to be rotated) 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 - Chaining multiple Select2 together

Trying to make two chained auto populating select fields using select2 plugin The first select contains countries names( ... .0 and jquery v2 See Question&Answers more detail:os...

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

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216 views

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javascript - Fill 2D grid with single path

How can I fill in a square 2D array with numbers so that a (random) path of consecutive numbers in ascending ... Hamiltonian path in a grid? See Question&Answers more detail:os...

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

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146 views

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javascript - Ember - What's the difference between controller's content and model property

In ember's official guide, it provides two ways to set the controller's underlying object. First is setting the ... Which way should i use? 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 - Angularjs: transclude directive template

How to use transclusion in the below case. The intention is to use markup in the html (partials) file, than ... -> treeFamily didn't work though See Question&Answers more detail:os...

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

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363 views

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javascript - Lazy Cartesian product of arrays (arbitrary nested loops)

There are other questions about this in other languages, and other non-lazy JavaScript versions, but no lazy ... com/lazy-cartesian-product/26 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 insert input text into image?

I want to develop extension for magento which help to create custom t-shirt but i don't know how to do it ... but didn't get right matter 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 - jasmine.createSpyObj with properties

When mocking dependencies in my Angular tests, I usually create a spy object using jasmine.createSpyObj: const ... web that explains it. 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 - JQuery - use element with DOMNodeInserted

For sure this question is very easy, but I just cannot figure this out. I'm using DOMNodeInserted event to detect ... ); but with no luck. 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 - Communicate data from popup to content script injected by popup with executeScript()

I have a text area and a button in my Chrome extension popup. I want users to input desired text in the text area ... ]= //user's desired text } See Question&Answers more detail:os...

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

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561 views

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javascript - localStorage how to save a checkbox

I want to save a checkbox with localstorage. So that when i have checked the box and I close the browser and ... </body> thanks for any advice! See Question&Answers more detail:os...

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

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481 views

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javascript - Mouse position relative to div

I am using jquery ui for drag and drop. I am trying to get mouse position relative to div, here is my code: ... tell me what is wrong with code? See Question&Answers more detail:os...

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

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488 views

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javascript - y coordinate for a given x cubic bezier

This question is very similar to: Quadratic bezier curve: Y coordinate for a given X?. But this one is cubic... I ... ] //your magic return y; } See Question&Answers more detail:os...

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

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297 views

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javascript - How to determine if vertical scroll bar has reached the bottom of the web page?

The same question is answered in jQUery but I'm looking for solution without jQuery. How do you know the scroll bar ... 0,200); } //end while 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 - Getting the values of all the CSS properties of a selected element in Selenium

Suppose that I have found an element by its XPath using: WebElement we = driver.findElement(By.xpath("some ... mention their names explicitly? See Question&Answers more detail:os...

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

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295 views

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javascript - html5 canvas redraw on resize

I have two canvas elements and need them to be resized on buttons click. <div class="sDetails"><div> <div id= ... from scratch but it will not. See Question&Answers more detail:os...

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

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274 views

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javascript - WebSocket connection to OpenShift app failed

I created an app with NodeJS and I'm using ws module. If I test the app in localhost it works and there isn't ... is the client speaking."); }; See Question&Answers more detail:os...

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

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155 views

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javascript - Need simple data push to browser using node.js

On the server side, I use node.js to do some distributed asynchronous ping-pong. I now need to display the ... second, no images or video. See Question&Answers more detail:os...

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

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868 views

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javascript - How to setInterval for every 5 second render with React hook useEffect in React Native app?

I have React Native app and I get data from API by fetch. I created custom hook that get data from API. And i need to ... /> )} /> </View> ) } See Question&Answers more detail:os...

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

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254 views

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javascript - While loop with jQuery async AJAX calls

The thing: I have a page, which has to display undetermined number of images, loaded through AJAX (using base64 ... they all will be fetched. See Question&Answers more detail:os...

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

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186 views

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javascript - Simple drag and drop code

Im struggling with seemingly a simple javascript exercise, writing a vanilla drag and drop. I think Im making a ... eleMouseUp , false); } See Question&Answers more detail:os...

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

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137 views

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javascript - How do you search multiple strings with the .search() Method?

Can the .search Method only search for one string? Or is there a way to get one single .search command to search ... y is an text box input.) See Question&Answers more detail:os...

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

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130 views

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javascript - Deployd - Data retrieved via AngularJS CORS

I am currently reading through "Pro AngularJS" by Adam Freeman. In going through the examples, he has the ... header settings or anything else. See Question&Answers more detail:os...

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

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232 views

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javascript - setTimeout - how to avoid using string for callback?

When using setTimeout, you have to put the code you want to execute into a string: setTimeout('alert("foobar!") ... there a nice way round 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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336 views

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javascript - Forcing an OpenLayers Markers layer to draw on top, and having selectable layers beneath

I have an OpenLayers map with a raster base layer, a vector layer and a markers layer in that order. They ... true; } return activated; }, See Question&Answers more detail:os...

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

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309 views

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javascript - Can the parent window be notified when a child window closes? (on a diff domain)

Can the parent window be notified when a child window closes? (on a different domain?) Trying to get around ... when the child window closes? See Question&Answers more detail:os...

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

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458 views

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javascript - How can I place text inside an ion-toggle

Current I have a ion-toggle that looks like this I want to do this Is there anyway to make this happen? I read ... to do what I am looking for See Question&Answers more detail:os...

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

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417 views

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javascript - Uploading/Downloading Byte Arrays with AngularJS and ASP.NET Web API

I have spent several days researching and working on a solution for uploading/downloading byte[]'s. I am close, but ... added a note. 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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