Recent questions tagged JavaScript

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javascript - How to know browser idle time?

How can I track the browser idle time? I am using IE8. I am not using any session management and don't want to handle it on server side. 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 - VSCode Linter ES6 ES7 Babel linter

How to use Visual Studio code to lint JavaScript file based on babel/ES7 stage-0 rules? I only need to ... have webpack transpiling Js 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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javascript - Use Async/Await with Axios in React.js

Following How to use async/await with axios in react I am trying to make a simple get request to my server ... I not implementing it correctly? 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 - Does the <script> tag position in HTML affects performance of the webpage?

If the script tag is above or below the body in a HTML page, does it matter for the performance of a ... the better style for best 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 - Angular 2 - Check if image url is valid or broken

I am fetching a large number of image URLs from an API and display them in a angular 2 web application. ... replace the broken image? 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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javascript - Dynamically assign ng-model

I'm trying to generate a set of check-boxes from an object array. I'm aiming to have the check-boxes ... GreenGeorge/NKjXB/2/ Can anybody 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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javascript - Wait for callback before continue for loop

I've a for-loop I'm looping through. I want to make a custom modal and wait for a response before continue it. ... Excellent. (function(){ })(); 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 - Maximum Lat and Long bounds for the world - Google Maps API LatLngBounds()

The Google Maps terrain view by default has unlimited panning of the map tile. You can use LatLngBounds() to limit this ... -90,180) to no luck. 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 - HTML form with two submit buttons and two "target" attributes

I have one HTML <form>. The form has only one action="" attribute. However I wish to have two different ... gives the form a different target? 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 - Setting a timer for a long period of time, i.e. multiple minutes

I want to use firebase auth with react native for Login and Signup but I got a yellow error: Setting a ... firebase/firebase-js-sdk/issues/97) 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 test if a URL string is absolute or relative?

How can I test a URL if it is a relative or absolute path in Javascript or jQuery? I want to handle accordingly ... or https://) //do 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 - VueJS How can I use computed property with v-for

How can I use computed property in lists. I am using VueJS v2.0.2. Here's the HTML: <div id="el"> <p v-for=" ... ' ' + item.lastname; }, }, }); 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 - JSLint Expected '===' and instead saw '=='

Recently I was running some of my code through JSLint when I came up with this error. The thing I think is funny ... does not make sense to me. 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 trigger off callback after updating state in Redux?

In React, state is not be updated instantly, so we can use callback in setState(state, callback). But how to do ... like what I do in React? 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 check if a form is valid programmatically using jQuery Validation Plugin

I have a form with a couple of buttons and I'm using jQuery Validation Plugin from http://jquery.bassistance ... anywhere in my javascript code. 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 - Limit labels number on Chart.js line chart

I want to display all of the points on my chart from the data I get, but I don't want to ... found absolutely nothing about labels options. 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 - Simulate a button click in Jest

Simulating a button click seems like a very easy/standard operation. Yet, I can't get it to work in Jest.js ... ('click'); // Nothing happens 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 disable the warning 'define' is not defined using JSHint and RequireJS

I uses RequireJS AMD in my project. When i run jshint on my project, it throws error like In AMD Scripts ' ... to remove this warning in jshint? 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 - history.replaceState() example?

Can any one give a working example for history.replaceState? This is what w3.org says: history.replaceState(data, ... ? Tested on latest Chrome. 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 do you set the document title in React?

I would like to set the document title (in the browser title bar) for my React application. I have tried ... - none of these solutions 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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javascript - How to maintain a request session in NodeJS

I'm trying to use NodeJS to scrape a website that requires a login by POST. Then once I'm logged in ... to get the functionality I needed 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 it possible to programmatically catch all events on the page in the browser?

First of all, here is a list of event types that are defined by the W3C standards. (This list is based ... them simply logged in the console. 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 - Check if value exists in firebase DB

Is there a method in firebase, which can check if value exist in DB? Firebase has method .exists(), but ... if ID with value U1EL5623exists. 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 - d3 js - loading json without a http get

I am learning d3. There are certain ways of loading the data in d3 js. But all of them seem to make a HTTP ... a async call to server? 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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javascript - Environment detection: node.js or browser

I'm developping a JS-app that needs to work both on the client side and the server side (in Javascript on a ... = [] global.docXData = [] 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 know if .keyup() is a character key (jQuery)

How to know if .keyup() is a character key (jQuery) $("input").keyup(function() { if (key is a character) { //such ... .etc /* Do stuff */ } }); 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 - Bootstrap 4 multiselect dropdown

I read on many forums that the problem of select and multiselect has been resolved after the beta version of ... Relish</option> </select> 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 - Conditional build based on environment using Webpack

I have some things for development - e.g mocks which I would like to not bloat my distributed build file with. In ... how I can do that? 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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