Recent questions tagged javascript

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javascript - For a push notification, is a websocket mandatory?

I have PHP on the server side, and HTML and javascript on the client side. I am making an app where a ... correct? Any references to start with? 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 - Prevent Highlight of Text Table

I have a table, and I'm allowing users to 'select' multiple rows. This is all handled using jQuery events ... Is there anyway to prevent 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 - Angular2 - Expression has changed after it was checked - Binding to div width with resize events

I have done some reading and investigation on this error, but not sure what the correct answer is for my ... see this similar question. 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 - How can I use HTTPS in AngularJS?

I am using AngularJS, $resource & $http and working with apis, however due to security reason I need to make ... . Thanks for your 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 - Retrieving a property of a JSON object by index?

Assuming this JSON object: var obj = { "set1": [1, 2, 3], "set2": [4, 5, 6, 7, 8], "set3 ... " order defined by the JSON literal / string. See Question&Answers more detail:os...

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

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563 views

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javascript - decodeURIComponent vs unescape, what is wrong with unescape?

In answering another question I became aware that my Javascript/DOM knowledge had become a bit out of date in ... to demonstrate the problems ? 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 can I use Jest to spy on a method call?

I recently wanted to test that some custom method gets conditionally called in the componentDidMount method of a React ... And if so, 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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239 views

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javascript - How to download fetch response in react as file

Here is the code in actions.js export function exportRecordToExcel(record) { return ({fetch}) => ({ type: ... I do in the reducer? 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 - Set value to currency in <input type="number" />

I am trying to format a number input by the user into currency using javascript. This works fine on <input ... a keyboard for number input. 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 - Chrome console clear assignment and variables

I am learning JavaScript and have been doing a lot of testing in the Chrome console. Even if I clear the ... best way to clear these out? See Question&Answers more detail:os...

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

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716 views

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javascript - jquery datatables hide column

Is there a way with the jquery datatables plugin to hide (and show) a table column? I figured out how to ... 't want to show certain columns. 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 - Could not load the default credentials? (Node.js Google Compute Engine tutorial)

SITUATION: I follow this tutorial: https://cloud.google.com/nodejs/tutorials/bookshelf-on-compute-engine Everything works ... have done wrong ? 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 - Spawn and kill a process in node.js

I'm trying to spawn a process in javascript, and kill it after some time (for testing purposes). In the ... without having to execute a 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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601 views

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javascript - how to fix 404 warnings for images during karma unit testing

I'm unit testing one of my directives (angularjs) using grunt/karma/phantomjs/jasmine. My tests run fine describe('bar ... do want to see them) 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 can I use querySelector on to pick an input element by name?

I recently received help on this site towards using querySelector on a form input such as select but as soon as I ... . How could I 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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272 views

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javascript - HTML5 Video buffered attribute features

I am designing a custom HTML5 video player. Thus, it will have its own custom slider to mimic the video ... remote video resource to test. 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

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javascript - pass selected value from popup window to parent window input box

I am building an order form with PHP and MySQL. The PHP Form has an input box where the user types in a ... again for the help. Regards, Ryan See Question&Answers more detail:os...

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

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707 views

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javascript - Using Lodash to sum values by key

How can I sum the values in objects which share a common key? I need to use Lodash for this ... ProjManager","submitted_dollars":45000} ] See Question&Answers more detail:os...

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

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565 views

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javascript - Image brightness detection in client side script

Does anyone know if there is a script available to detect darkness/lightness in an image (HTML included ... this particular development project. 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 hide navbar in login page in react router

I want to hide the navbar in a login page. I did it actually, but I can't see the navbar on other pages. This code is ... }] ${res.msg}`); } }); See Question&Answers more detail:os...

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

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431 views

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javascript - Active Menu Highlight CSS

I want to highlight the current menu you have click. I'm using CSS, but it is now working. here is my css ... header .active a{ color: #fff; } See Question&Answers more detail:os...

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

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412 views

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javascript - Can I remove just the popup bubbles of POI's in Google Maps API v3?

So I'm working on a new web app that has a big focus on maps. Using Google Maps API v3 and really ... same map with POI's removed entirely: See Question&Answers more detail:os...

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

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526 views

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javascript - JQuery allow only two numbers after decimal point

I found the following JQuery function here which prevents a user from entering anything that's not a number or a ... .preventDefault(); } }; See Question&Answers more detail:os...

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

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287 views

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javascript - what is new() in Typescript?

I encountered new() in the official document here about generics. Here is the code context: function create<T>(c: { ... must be a type, but 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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291 views

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javascript - having multiple instance of same reusable redux react components on the same page/route

We are creating a large front-end application. We are using React-Redux for it We are creating ... property for reducer SectionheaderReducer See Question&Answers more detail:os...

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

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963 views

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javascript - Code inside DOMContentLoaded event not working

I have used <!DOCTYPE html> <html> <head> <meta charset="utf-8" /> </head> <body> <button type="button" id ... works. I have made a JS Bin here. See Question&Answers more detail:os...

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

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372 views

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javascript - Jquery post, response in new window

I have a script that on.DocumentReady posts data to another page. That page responds with some HTML encapsulated in one div ... (); } }); }); See Question&Answers more detail:os...

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

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511 views

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javascript - Material-ui adding Link component from react-router

I'm struggling to add <Link/> component to my material-ui AppBar This is my navigation class: class Navigation ... to form a proper menu. See Question&Answers more detail:os...

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

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