Recent questions tagged Javascript

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javascript - How to make an svg interactive to gather comments/annotations on depicted elements

I create directed graphs like the following from wikidata with the help of networkx and nxv. The result is an svg ... best way to achieve 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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javascript - Faster Bresenham line for HTML canvas

Slow render I am using Bresenham's line algorithm to render pixel art lines in real time. It renders 1 pixel ... can I improve this function? 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 - Regex for hyphenated words

I have hyphen separated words in paragraphs that I'm trying to extract. I've tried following regex w+-w ... to match complete hyphenated words. 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 - Why is 'jQuery.parseJSON' not necessary?

i'm doing an ajax request with query and wondering why my response is already a JS object. If i do ... like to understand this behavior. 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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javascript - When to use ambient while searching for a type definition?

I'm currently migrating from tsd to typings since it's deprecated. but It's not crystal clear when I need ... rely on the typings registry? See Question&Answers more detail:os...

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

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168 views

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javascript - JQuery Mobile .page() function causes infinite loop?

I'm dynamically creating a listview with data from a AJAX response. It successfully creates the listview and populates ... ; func($context); }; 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 code one jquery function for all AJAX links

I am using zend framework on windows. I want to implement ajax in my project first time. I searched for ... load content using AJAX. 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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424 views

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javascript - Set class or identifier on jqGrid row based on a key/value pair placed in row (like ID)

I'm guessing afterInsertRow is the method to use, and I've already got extra data for each row (read/unread), ... get to the 'readstatus' part? 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 - Render closing tag conditionally in order to emulate calendar behavior

Can I render closing tag conditionally with v-if? And if yes, what's the right way to do it? My ... each Sunday (imitating calendar behavior) See Question&Answers more detail:os...

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

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351 views

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javascript - Is it really necessary to wait for DOM ready to manipulate the DOM?

Is it really necessary to wait for the "ready" (or "window.onload") events if your code only manipulates DOM ... there is any more information. See Question&Answers more detail:os...

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

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149 views

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javascript - How can we return string from callback function to root function in node.js?

function add(post) { var word = new KeyWord({ keyword: post.keyword}); word.save(function (err, word) { ... from outside also give null value. 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 - Simple way to use existing object as a clipping path?

I have the following simple example, When the line extends outside the rectangle, I want to clip it. I already have ... 2); </script> </body> 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 - Client-side jQuery application with MongoDB

I'm trying to write a very simple example application to familiarize myself with using MongoDB. Essentially, I'd ... with MongoDB this way? See Question&Answers more detail:os...

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

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333 views

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javascript - How can I tell if an event comes from right Ctrl key?

I have an event listener in Javascript, I can tell whether a key event is Ctrl (e.keyCode == 17), but how ... from the right one or left one? See Question&Answers more detail:os...

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

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383 views

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javascript - Detect Blocked popups without opening a popup

This question has been raised many times on "How to check if the popup is blocked on my browser or not" and all ... It'll be a huge help. 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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330 views

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javascript - how can i bind touch events for a marker in google maps?

google maps api does not support touch events but now i need to do some thing on the map and marker, such ... as the google maps client for iOS See Question&Answers more detail:os...

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

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391 views

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javascript - window is undefined when used as useValue provider with Angular 4 AoT

When Angular 4.0.2 application is compiled ahead-of-time, and the provider is defined as useValue import ... globals or all useValue providers? See Question&Answers more detail:os...

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

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567 views

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javascript - Password Validation with Sequential Letters and Numbers - RegEx

To have customer accounts more secure, a well crafted password is good practice. This is my Regular Expression ... , gjnfl45566^ Thank you See Question&Answers more detail:os...

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

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132 views

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javascript - Is it possible to create a function with another prototype than Function.prototype?

I am working on a parser combinator library in JavaScript. For that I want to create functions that can ... combinators / monadic parsers. See Question&Answers more detail:os...

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

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234 views

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javascript - initKeyEvent keypress only works in FireFox. need a cross browser solution!

This is my code: <script> function f(){ var i=document.getElementById("i"); i.focus(); var evt = document ... to make it work in these browsers? 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 - Apollo GraphQL keeps receiving requests with no queries or mutations being made

I was learning GraphQL and about to finish the tutorial and this never happened before. The problem is that the ... longer supported"" } ] } See Question&Answers more detail:os...

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

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532 views

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javascript - Security Error with canvas.toDataURL() and drawImage()

<!doctype html> <canvas id="canvas" height="200" width="200"></canvas> <div id="new"></div> <script> ... as a local file without a webserver. 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 - How to add a line break to text in UI5?

The escape character and Unicode character u000a will only work in JavaScript. However, I'm trying to add a line ... ="First Line SecondLine" /> See Question&Answers more detail:os...

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

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300 views

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javascript - How to return true if all values of array are true otherwise return false?

I have a array like this: var arr = [ true, true, true ]; Now I want to get true, because all keys of array ... in the array. How can I do that? See Question&Answers more detail:os...

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

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276 views

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javascript - How to (feature) detect if browser supports WebM alpha transparency?

I'm integrating a *.webm Video with alpha transparency. At the moment, the transparency is only supported ... Alpha-transparency-in-Chrome-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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176 views

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javascript - What is the purpose of a double-pipe in an object in React

I've come across some samples for a React DND and within one of them was the following code: export type Author = ... , BMO, finn, princess, ]; See Question&Answers more detail:os...

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

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203 views

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javascript - Node.js Mongoose .update with ArrayFilters

As it stands, I am able to get this functionality working using the Mongo shell, but having issues with the nested ... 1 Mongoose: 5.0.0-rc2 See Question&Answers more detail:os...

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

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358 views

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javascript - Jersey 2: render Swagger static content correctly without trailing slash(/)

What I did is to use Grizzly/Jersey to host swagger-ui, which is static content. Here's part of build. ... thinking to use another web server. See Question&Answers more detail:os...

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

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