Recent questions tagged Javascript

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javascript - Performance of NodeJS with large amount of callbacks

I am working on a NodeJS application. There is a specific RESTful API (GET) that, when triggered by ... in optimizing their performance? 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 - Replicating MeshLambertMaterial Using ShaderMaterial ignores textures

I noticed that THREE.js uses shaders internally to create core material "e.g. MeshLambertMaterial", So I ... the correct texture repetitions? 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 - Count duplicates within an Array of Objects

I have an array of objects as follows within my server side JS: [ { "Company": "IBM" }, { "Person": " ... ====' + JSON.stringify(returnObj)); 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 - jQuery click function only works on first element

I am having some trouble with jQuery. I am making a simple CMS and in the interface I have a list of ... /pages/test.html Thanks in advance. 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 - What is meant by "public function can't be overridden if a patch is necessary." in Addy's description of the Revealing Module Pattern?

A disadvantage of this pattern is that if a private function refers to a public function, that public ... Module Pattern referenced above 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 - Re-associating an object with its class after deserialization in Node.js

I'm writing a simple serialization / deserialization framework for some application-specific objects. Consider the ... the same behavior? 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 - Increment a number in a string in with regex

I get the name of an input element, which is a string with a number (url1). I want to increment the number ... }); } list.appendChild(liNew); 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 use google.maps.event.trigger(map, 'resize')

I am new to JS, and have found the answer to a previous question, which brought up a new question, which ... effect starting from version 3.32 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 - What is the difference between class method vs. class field function vs. class field arrow function?

What is the difference between class method, class property which is a function, and class property which is an arrow ... version is 3.4.5. 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 - FormData in IE8/9

i have implemented this script for uploading files with ajax, it works perfect in other browsers except for explorer, ... req.send(frm_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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269 views

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javascript - Objects and arrays addition

Can anyone explain to me how the results of the following was evaluated? {} + {} // NaN [] + {} // "[object Object]" {} + [] // 0 [] + [] // "" 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 - getElementById Where Element is dynamically created at runtime

I have created an object at runtime by using innerHTML tag, now I want to access this element by using ... Here obj return null value. 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 - Angular2 5 minute install bug - require is not defined

I'm doing the Angular2 5 minute quick start. About half way through the tutorial now, I have the following files ... .js Last log from npm start See Question&Answers more detail:os...

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

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497 views

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javascript - Setting a length (height or width) for one element minus the variable length of another, i.e. calc(x - y), where y is unknown

I know we can use calc when lengths are defined: flex-basis: calc(33.33% - 60px); left: calc( ... alternatives. height demo width demo See Question&Answers more detail:os...

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

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325 views

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javascript - Create shortcut to console.log() in Chrome

Because I'm lazy, I created a function log that basically is just an abbreviation of console.log: function log ... console.log call is located? See Question&Answers more detail:os...

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

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234 views

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javascript - Get element by part of Name or ID

Here is an example of my form (only inputs that I want, but there is many others): <form name="inputform" action=" ... I don't plan to use 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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639 views

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javascript - How to format Vuetify data table date column?

I have a simple data table using Vuetify data table. One of the column is a createdOn (date time), I want to format ... ], items: [], </script> See Question&Answers more detail:os...

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

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593 views

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javascript - Get the scale value of an element?

I'm wondering how I can get the scale value of an element? I have tried $(element).css('-webkit-transform ... of getting scaleX and scaleY only? See Question&Answers more detail:os...

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

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342 views

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javascript - ES6: Is it dangerous to delete elements from Set/Map during Set/Map iteration?

Safe code for new Set() may look like: let items = []; for (let item of set) if (isBad(item)) items. ... || isBadValue(val)) map.delete(key) See Question&Answers more detail:os...

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

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334 views

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javascript - Node + Express with static HTML. How to route all requests to index.html?

I am working on a single page web app using Node + Express and Handlebars for templating. Everything currently ... them can change dynamically. See Question&Answers more detail:os...

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

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551 views

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javascript - Rounding numbers to 2 digits after comma

I have no idea how to do this? I'm adding comma numbers, result is of course always a number with way too many digits after the comma. anyone? See Question&Answers more detail:os...

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

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426 views

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javascript - What are the AES parameters used and steps performed internally by crypto-js while encrypting a message with a password?

Background: The application that I am working on is supposed to work offline. I should encrypt some text data ... while AES encrypting a message 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 - Completely lost on how to save extension popup window content

I'm pretty much lost on how to make the added contents of my popup window not disappear every time I open ... closing and re-opening the popup: See Question&Answers more detail:os...

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

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240 views

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javascript - How AJAX is done in github source browse?

Github has a really nice source browser. Navigating between different paths in the repo generates ajax calls to load ... it is not so. See Question&Answers more detail:os...

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

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331 views

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javascript - Convert TD columns into TR rows

Is there a quick way to translate (using CSS or Javascript) a tables TD into TR, currently I have: A B C D 1 2 3 4 and ... : A 1 B 2 C 3 D 4 ?? See Question&Answers more detail:os...

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

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211 views

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javascript - Insert external page html into a page html

I'd like to load/insert an external html page into my web page. Example : <b>Hello this is my ... external javascript library as 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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602 views

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javascript - How to submit 2 forms in one page with a single submit button

I've created a php page with two forms but I would like to have only one submit button for both forms. ... "Submit" onclick="submitForms()"/> See Question&Answers more detail:os...

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

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291 views

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javascript - Open image in new window

How can I open an image in a new window by using its id? function swipe() { var largeImage = document. ... window. How can this be accomplished? See Question&Answers more detail:os...

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

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