Recent questions tagged JavaScript

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javascript - IndexedDB: Retrieve item with max value

Suppose I have an IndexedDB collection with name items. All items have fields: id name revision revision field is a ... best way to do 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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javascript - Loop with native promises;

I'm trying to make an asynchronous loop with native ES6 promises It kind of works, but incorrectly. I suppose I made ... and I don't know why. 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 - Executing JQuery after page load only after clicking a specific link

I have a link in my app that when clicked, leads to another page. I want to execute some JQuery on this new ... work. How should I 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 - Constructor props equivalent in React Hooks for history push

I'm trying to migrate one class component to function with hooks but i have a problem when try to change the ... and sorry for the issues! 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: unexpected token '<'

Hello I tried to search in other questions but none of mentioned solutions I tried did not work for me. ... right. Thanks for helping. 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 - Dynamically modified value of input not reflected in DOM

How can I get the DOM to reflect the modified input value? <div> <input value='0'> </div> <script src='http:// ... ).html()) }, 1000) </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 - node/express Force browser to download file with custom name

I've built a node/express website for my university project that, after searching for an ID of a law, it ... contained. 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 - Intercept HTML5 Web Notifications in a browser environment

I would like to intercept HTML5 Web Notifications. I have read the following answer where a user suggests that ... (notifyCallback); } }) 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 - Does jasmine-node offer any type of "fail fast" option?

When I run a suite of jasmine tests from the command line I'd like some type of fail fast option so it ... Does anything like this exist today? 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 - Ionic 3: Build in “prod” mode: Cannot find module “.”

we have a large Ionic app that we're trying to build in production mode since it's almost ready. The first ... : backend : legacy Thank you! 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 - Keypress in backbone.js?

It looks like key-press can only be executed on a focus element? I don't fully buy into that, there has to ... to add data, instead of clicking. 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 - Parse YYYY-MM-DD dates using the local timezone

In javascript, if I specify the date as MM/DD/YYYY, I can use new Date() to parse it as the local timezone: >>> ... '$2/$3/$1') to fix it first? 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 HTTP status codes to reflect success/failure of Web service request?

I'm implementing a Web service that returns a JSON-encoded payload. If the service call fails -- say, due ... practice in this matter. 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 - Passed in undefined argument in jQuery core source code

I noticed that in the jQuery core, one of the two arguments passed in is undefined. (function( window, ... is undefined? 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 - how to disable or enable all onClick for images on a page

When the user clicks on an image, I want the onClicks on all other images to be disabled until my ... anyone have solution for this problem 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 - Follow redirect with node.js request

I'm trying to learn node.js, and I'm working on a utility to log in on a site, and then exctract some info ... know of how to go about 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 - When does React's setState change the state

I have a function open() in a child component which calls the parent's function open() through props, and it ... could be the reason for 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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javascript - How to chain .then functions and callback success function in Angular.js

I'm trying to chain nested .then functions and call the success functions, but call back is calling in the ... Any help would 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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javascript - How to allow only defined characters as input using jQuery?

How do i allow special characters such as hyphen,comma,slash,space key,backspace key,delete key along with ... limitCharacters(textid, pattern) 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 - D3 forceSimulation and dragging, what is node.fx/node.fy?

For d3 force layouts that include drag functionality with d3-drag, it seems that the functions called on each ... to the element being dragged? 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 insert Google Merchant Review JS code in WooCommerce Order Complete page

I want to complete the variables the Google Merchant Review codes asks to be completed on the checkout page: ... checkout page on WooCommerce? 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 - XMLHttpRequest Origin is not allowed by Access-Control-Allow-Origin

I'm trying to fetch some simple text over HTTP from JavaScript: $(function() { $.get("http://mydomain ... contents of this page from JavaScript? 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 - Localhost not loading module

I am using modern Javascript MyClass.js export default class MyClass { constructor(x) { this.val=x? x: ... /home/user/myRealFolder/site myfolder 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 - jQuery DatePicker set time and date

Hello I was asked to modify some code. We got something like this: $("#expiration_datepicker").datetimepicker( "option", ... like dd-m-yy hh:mm 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 - Howto exclude jpeg-names from regexp replace?

I'm using a search-function for a documentation site which upon selection of search hit shows page with text highlighted ... ').html(target); } 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 - angular dynamic templating directives

I have a list of different field types and I want to apply a template based on type. I can get it to work if I ... }; }]); Why does this happen? 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 do pixel-perfect collision detection of two partially transparent images

So basically I to make so that when the two characters on the screen touch and someone presses a button it will ... y += kGravityScale; } }; 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 - define cursor position in form input field

I have several input fields with default values. I defined tabindexes to jump from field to field with the tab-button. ... How can I 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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