Recent questions tagged JavaScript

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javascript - What is the difference between id and _id in mongoose?

What is the difference between _id and id in mongoose? Which is better for referencing? 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 - Using pipe() in Node.js net

I'm having trouble wrapping my head around the pipe function shown in several Node.js examples for the net module. ... and why it's required? See Question&Answers more detail:os...

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

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563 views

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javascript - How to use two Y axes in Chart.js v2?

I am trying to create a line chart with two datasets, each with its own Y scale / axis (one to the left, one ... 1). What do I need to change? 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 access state inside Redux reducer?

I have a reducer, and in order to calculate the new state I need data from the action and also data from a ... ; How can I access this field? See Question&Answers more detail:os...

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

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150 views

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javascript - Passing in class names to react components

I am trying to pass in a classname to a react component to change it's style and cannot seem to get working ... doing this the right way. 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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180 views

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javascript - Make view 80% width of parent in React Native

I'm creating a form in React Native and would like to make my TextInputs 80% of the screen width. With ... solutions seem like nasty hacks. See Question&Answers more detail:os...

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

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382 views

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javascript - Can clearInterval() be called inside setInterval()?

bigloop=setInterval(function () { var checked = $('#status_table tr [id^="monitor_"]:checked'); if ( ... out from the setInterval 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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360 views

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javascript - Scaling SVG (Raphael.js) like an SWF

I started using Raphael.js a few days ago and I'm really enjoying it. The only thing I haven't been able ... to the question if there are any. See Question&Answers more detail:os...

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

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190 views

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javascript - Reading in JSON through Angular Resources Service

How can I use angular-resources.js to read in a JSON file through a service? I am working on a very basic ... as an example for pulling data. See Question&Answers more detail:os...

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

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299 views

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javascript - When to use Meteor.methods and utilizing stubs

Using Meteor, I'm attempting to understand when to use server-side Meteor.methods() while still retaining instant ... and stubs on meteor-talk. See Question&Answers more detail:os...

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

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328 views

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javascript - How to add my location button in Google Maps?

I'd like to know if it's possible to add as default controls option my location button. Is there any ... navigate user to the current location? See Question&Answers more detail:os...

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

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206 views

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javascript - What is difference between define function by prototype and class property?

Follow my code, Apple is define function by prototype. Banana is define function by class property. var Apple = ... (); Are these difference ? See Question&Answers more detail:os...

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

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144 views

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javascript - Bootstrap 3 compatible with current AngularJS bootstrap directives?

Will bootstrap 3 release be compatible with current AngularJS bootstrap directives? I want to use Bootstrap 2.3. ... -ui/bootstrap/issues/331 See Question&Answers more detail:os...

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

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195 views

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javascript - Promise callbacks returning promises

With regard to these great two sources: NZakas - Returning Promises in Promise Chains and MDN Promises, I would ... confused over this concept. See Question&Answers more detail:os...

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

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236 views

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javascript - How to pass the id of an element that triggers an `onclick` event to the event handling function

How do I pass the id of an element that triggers an onclick event to the event handling function. ... "doWithThisElement(id_of_this_element)" /> See Question&Answers more detail:os...

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

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344 views

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javascript - Modify Twitter Bootstrap collapse plugin to keep accordions open

I'm trying to modify the Bootstrap collapse plugin to allow me to specify whether clicking an accordion (to open) ... the right track with 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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201 views

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javascript - Angular ui-router scroll to top, not to ui-view

I've just upgraded to ui-router 0.2.8 from 0.2.0 and I've noticed that when the state changes, the ... Any help would really be appreciated :) See Question&Answers more detail:os...

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

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709 views

1 answer

javascript - How to keep React component state between mount/unmount?

I have a simple component <StatefulView> that maintains an internal state. I have another component <App> that toggles ... it can be re-mounted? See Question&Answers more detail:os...

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

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210 views

1 answer

javascript - How do you clone an array of objects using underscore?

#!/usr/bin/env node var _ = require('underscore'); var a = [{f: 1}, {f:5}, {f:10}]; var b ... a way to actually copy the array of objects? See Question&Answers more detail:os...

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

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152 views

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javascript - How to access external json file objects in vue.js app

How to access JSON objects in the vue.js app I am new in this import json from './json/data.json' the ... have to access the objects within it See Question&Answers more detail:os...

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

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135 views

1 answer

javascript - Uncaught ReferenceError: ytcfg is not defined (also __ytRIL is not defined)

I have been using the YouTube IFrame Player API without problem for months and started to see this exception ... "__ytRIL is not defined" See Question&Answers more detail:os...

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

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217 views

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javascript - How can one tell the version of React running at runtime in the browser?

Is there a way to know the runtime version of React in the browser? See Question&Answers more detail:os...

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

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369 views

1 answer

javascript - How to get the code coverage report using Jest?

Is there a way to have code coverage in the JavaScript Jest testing framework, which is built on top of Jasmine? ... , but none of them work. See Question&Answers more detail:os...

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

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216 views

1 answer

javascript - How to pass multiple checkboxes using jQuery ajax post

How to pass multiple checkboxes using jQuery ajax post this is the ajax function function submit_form(){ $.post("ajax.php", ... ();" /> </form> See Question&Answers more detail:os...

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

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155 views

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javascript - Make element fixed on scroll

I'm attempting to make the navigation bar stick to the top, when the user scrolls down to the nav bar and ... text-align:center; width:960px;} See Question&Answers more detail:os...

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

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232 views

1 answer

javascript - AngularJS global http polling service

I'm building a web app using AngularJS. The app needs to poll a URL that returns JSON data and make ... I taking the completely wrong approach? See Question&Answers more detail:os...

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

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360 views

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javascript - readyState vs status==200

xmlhttp.onreadystatechange = function() { if (xmlhttp.readyState == 4 && xmlhttp.status == 200) { document. ... xmlhttp.status == 200? See Question&Answers more detail:os...

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

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204 views

1 answer

javascript - What exactly does 'serving static files' mean?

So far I've always been developing my clientside applications without any of my own servers running behind it, ... to have database access. See Question&Answers more detail:os...

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

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