Recent questions tagged Javascript

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javascript - AngularJS: What's the best practice to add ngIf to a directive programmatically?

I want to create a directive that checks if an element should be present in the dom based on a value coming ... that element are not evaluated! 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 fetch the new data in response to React Router change with Redux?

I'm using Redux, redux-router and reactjs. I'm trying to make an app where I fetch information on route change, ... true, entity : {} } 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 - Where to declare variable in react js

I am trying to declare a variable in a react-js class. The variable should be accessible in different functions. ... did I make something wrong? 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 setup route for websocket server in express?

I have a setup similar to this one: var WebSocketServer = require("ws").Server, express = require("express"), ... set the path? Is it possible? 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 - Website with JS doesn't work in IE9 until the Developer Tools is activated

I'm developing a complex website that heavily leverages jQuery and a number of scripts. On load of the site, none ... here if I find a solution. 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 - ReactJs - Creating an "If" component... a good idea?

I've read in the React docs that "if" type statements can't be used in JSX code, because of the way JSX ... Main/>, document.body); </script> 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 - Datatables on-the-fly resizing

I'm using the marvellous DataTables jQuery plug-in; http://datatables.net/ Added the FixedColumns and KeyTable extras ... Thanks in advance! :-) 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 - mongoose save vs insert vs create

What are different ways to insert a document(record) into MongoDB using Mongoose? My current attempt: var mongoose = ... of 1. That's strange. 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 - A Parser-blocking, cross-origin script is invoked via document.write - how to circumvent it?

Google Chrome started implementing Blocking the load of cross-origin, parser-blocking scripts inserted via document. ... CG issue Chrome Issue 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 - Add Favicon with React and Webpack

I am attempting to add a favicon to a React-based website that I made using webpack. It has been a total nightmare to ... // ${new Date()}`)); See Question&Answers more detail:os...

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

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253 views

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javascript - d3 axis labeling

How do I add text labels to axes in d3? For instance, I have a simple line graph with an x and y axis. On ... Is there a simple way to do 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 - How can I determine if a div is scrolled to the bottom?

How do I determine, without using jQuery or any other JavaScript library, if a div with a vertical ... scrollTop == objDiv.scrollHeight) See Question&Answers more detail:os...

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

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182 views

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javascript - Set height of chart in Chart.js

I want to draw a horizontal bar chart with Chart.js but it keeps scaling the chart instead of using the height I assign ... true } }] } } }); 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 - Node.js get file extension

Im creating a file upload function in node.js with express 3. I would like to grab the file extension of the image ... of the image in node.js? 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 - Chrome Developer Tools: Best resource for learning advanced features?

I casually use Chrome developer tools for debugging AJAX & JavaScript. Mostly that means the console to check on ... of google chrome devtools? See Question&Answers more detail:os...

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

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140 views

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javascript - how to set cache for css/js file

I have to use the cache for the css files and js file which i used in the site. my site running in a ... and compression for js and css files. See Question&Answers more detail:os...

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

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272 views

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javascript - AngularJS multiple uses of Controller and rootScope

I want to use a controller on 2 seperated HTML elements, and use the $rootScope to keep the 2 lists in sync ... : http://plnkr.co/edit/2a55gq See Question&Answers more detail:os...

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

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205 views

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javascript - Automatic login script for a website on windows machine?

I saw some guy had a file (I guess a batch file). On clicking of the batch file he was able to log in ... use it to log in to remote desktops? See Question&Answers more detail:os...

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

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166 views

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javascript - How to use typeahead.js with a large database

I have a large database of 10,000 addresses and 5,000 people. I want to let users search the database for ... way to try and 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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398 views

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javascript - How to create embed code for other sites

I have a service of job portal which other users can use for their sites and blogs. they copy embed code from ... More Job Search Results</a> See Question&Answers more detail:os...

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

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604 views

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javascript - Download large file with node.js avoiding high memory consumption

I`m trying to create a file downloader as a background service but when a large file is scheduled, it's first put ... finished"); }); }); See Question&Answers more detail:os...

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

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247 views

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javascript - How should I handle a leave animation in componentWillUnmount in React?

I was wondering if anyone could provide some insight about how they handle leave animations in React.js. I ... , especially with react-router. See Question&Answers more detail:os...

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

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253 views

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javascript - Check all checkboxes vuejs

I'm displaying a list of users in a table, each row has a checkbox to select the user and the checkbox value is the user' ... () { // ? } } }) See Question&Answers more detail:os...

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

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337 views

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javascript - How to implement swipe gestures for mobile devices?

I have an application made in AngularJS which has arrow key navigation to switch views. I want to implement this ... (routing in my case). See Question&Answers more detail:os...

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

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323 views

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javascript - Why is node.js not suitable for heavy CPU apps?

Node.js servers are very efficient concerning I/O and large number of client connection. But why is node.js ... I read it here Felix Baumgarten See Question&Answers more detail:os...

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

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229 views

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javascript - How to correctly use ng-cloak directive?

Somehow, ng-cloak in AngularJS doesn't work. I want to hide {{ }} while loading the page. Because it looks awful. ... ></script> </body> </html> See Question&Answers more detail:os...

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

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359 views

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javascript - Best way to document anonymous objects and functions with jsdoc

Edit: This is technically a 2 part question. I've chosen the best answer that covers the question in general and ... Any ideas how to do 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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310 views

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javascript - What does useCallback/useMemo do in React?

As said in docs, useCallback Returns a memoized callback. Pass an inline callback and an array of inputs. ... better. Explained in docs. See Question&Answers more detail:os...

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

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