Recent questions tagged Javascript

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javascript - popup window in Chrome extension

I am writing a Chrome extension, and I want a login window to be popped up when users click on the ... window in Chrome extension. Thanks! 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 - Using OAuth2 in HTML5 Web App

I am currently experimenting with OAuth2 to develop a mobile application built entirely in JavaScript that talks to ... implemented this so far. See Question&Answers more detail:os...

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

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391 views

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javascript - Multiple calls to state updater from useState in component causes multiple re-renders

I'm trying React hooks for the first time and all seemed good until I realised that when I get data and ... Any ideas how to mitigate 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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javascript - jQuery get the location of an element relative to window

Given an HTML DOM ID, how to get an element's position relative to the window in JavaScript/JQuery? This is ... of the screen that invokes 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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398 views

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javascript - Count immediate child div elements using jQuery

I have the following HTML node structure: <div id="foo"> <div id="bar"></div> <div id="baz"> <div id=" ... result should be two (bar and baz). See Question&Answers more detail:os...

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

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493 views

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javascript - Center Google Maps (V3) on browser resize (responsive)

I have a Google Maps (V3) in my page at 100% page width with one marker in the middle. When I resize my ... ) { map.setCenter(center); }); 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 - Is there a way to zoom into a D3 force layout graph?

D3 has a force directed layout here. Is there a way to add zooming to this graph? Currently, I was able to capture ... w) .attr("height", h); 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 - Uploading base64 encoded Image to Amazon S3 via Node.js

Yesterday I did a deep night coding session and created a small node.js/JS (well actually CoffeeScript, but ... , pointers and feedback welcome. See Question&Answers more detail:os...

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

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249 views

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javascript - boolean in an if statement

Today I've gotten a remark about code considering the way I check whether a variable is true or false in a ... shouldn't be in that variable. See Question&Answers more detail:os...

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

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459 views

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javascript - Test for multiple cases in a switch, like an OR (||)

How would you use a switch case when you need to test for a or b in the same case? switch (pageid) { case ... page": alert("goodbye"); break; } See Question&Answers more detail:os...

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

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270 views

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javascript - jQuery vs document.querySelectorAll

I heard several times that jQuery's strongest asset is the way it queries and manipulates elements in the DOM: ... of jQuery! Any thoughts? See Question&Answers more detail:os...

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

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308 views

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javascript - Global Ajax error handler with AngularJS

When my website was 100% jQuery, I used to do this: $.ajaxSetup({ global: true, error: function(xhr, ... a global error handler with angular? See Question&Answers more detail:os...

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

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506 views

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javascript - Running NPM scripts sequentially

Let's say I have "scripts": { "pre-build": "echo "Welcome" && exit 1", "build_logic": "start cmd. ... its capabilities. Thanks for any 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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347 views

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javascript - In an array of objects, fastest way to find the index of an object whose attributes match a search

I've been surfing around a little trying to find an efficient way to do this, but have gotten nowhere. I ... undefined, as it probably should. 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 - How do sessions work in Express.js with Node.js?

Using Express.js, sessions are dead simple. I'm curious how they actually work though. Does it store ... first understand how sessions 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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336 views

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javascript - How to POST a django form with AJAX & jQuery

I've checked out tons of tutorials for django AJAX forms, but each one of them tells you one way of doing ... AJAX and update the note object? See Question&Answers more detail:os...

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

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231 views

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javascript - What is the proper way to use the node.js postgresql module?

I am writing a node.js app on Heroku and using the pg module. I can't figure out the "right" way to ... connected every time before I use 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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258 views

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javascript - What are "decorators" and how are they used?

I'm curious what exactly decorators are in AngularJS. There isn't much information online for decorators save for a ... habits I've picked up. See Question&Answers more detail:os...

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

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361 views

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javascript - CreateElement with id?

I'm trying to modify this code to also give this div item an ID, however I have not found anything on google, ... .className='tclose'; g.v=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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399 views

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javascript - How to write a test which expects an Error to be thrown in Jasmine?

I'm trying to write a test for the Jasmine Test Framework which expects an error. At the moment I'm using a ... figure out how to make it 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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279 views

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javascript - How to get year/month/day from a date object?

alert(dateObj) gives Wed Dec 30 2009 00:00:00 GMT+0800 How to get date in format 2009/12/30? See Question&Answers more detail:os...

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

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534 views

1 answer

javascript - npm WARN ... requires a peer of ... but none is installed. You must install peer dependencies yourself

I tried to run a project downloaded from github. Unfortunately, during npm install the following warnings were shown. I tried ... -directive.d.ts (14,27): Cannot find module '@an...

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

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218 views

1 answer

javascript - Ways to save Backbone.js model data?

I am more into front end development and have recently started exploring Backbone.js into my app. I want ... process with some simple example. See Question&Answers more detail:os...

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

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273 views

1 answer

javascript - Recommended way of making React component/div draggable

I want to make a draggable (that is, repositionable by mouse) React component, which seems to necessarily involve ... relate to React. Thanks. See Question&Answers more detail:os...

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

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416 views

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javascript - Turning off eslint rule for a specific file

Is it possible to turn off the eslint rule for the whole file? Something such as: // eslint-disable-file ... rules for that specific file. See Question&Answers more detail:os...

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

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306 views

1 answer

javascript - Huge number of files generated for every Angular project

I wanted to start a simple hello world app for Angular. When I followed the instructions in the official ... something really really obvious? 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

1 answer

javascript - How to get highcharts dates in the x axis?

Is there a standard way to get dates on the x-axis for Highcharts? Can't find it in their documentation: https: ... d be great. Anyone know how? See Question&Answers more detail:os...

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

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224 views

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javascript - React "after render" code?

I have an app where I need to set the height of an element (lets say "app-content") dynamically. It takes ... } }); module.exports = AppBase; See Question&Answers more detail:os...

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

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