Recent questions tagged JavaScript

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javascript - 'Enter key' wont submit form in Firefox, but will in Chrome, why?

I have a form, very basic, and when I hit enter key nothing happens in firefox, but in google chrome it ... any problem. Any ideas? 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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436 views

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javascript - Get active Websockets of a Website possible?

I would like to know if its possible to get active WebSockets of a Website. An example would be: var x = ... Active Websocket}" would not 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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334 views

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javascript - Send message and shortly delete it

I'm trying to make a Discord bot delete its "system messages" after, say, 10 seconds, because I've been ... ; I already have that capability. See Question&Answers more detail:os...

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

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302 views

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javascript - d3.js scatter plot - zoom/drag boundaries, zoom buttons, reset zoom, calculate median

I've built a d3.js scatter plot with zoom/pan functionality. You can see the full thing here (click 'Open ... works well enough in this 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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306 views

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javascript - Global unhandledrejection listener in React Native

Is there any equivalent for window.addEventListener('unhandledrejection', (event) => {}); in React Native? I know ... coming from the fetch api. See Question&Answers more detail:os...

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

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666 views

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javascript - Textbox of Fabric.js does not wrap a long word

I am using the Textbox of Fabric.js. I have given a fixed width. But if a user types a long word without ... it does not wrap. Any 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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400 views

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javascript - Detecting if the file input dialog is open

How can I go about detecting if the file input dialog is currently open? I'm trying to integrate some file ... http://jsfiddle.net/ckevy/1/ See Question&Answers more detail:os...

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

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321 views

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javascript - Why is this configurable property not deletable?

Configurable properties seem to be deletable: var o = {}; Object.defineProperty(o, 'prop', { configurable: true, ... property can't be deleted? See Question&Answers more detail:os...

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

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388 views

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javascript - how to use HTML5 placeholder attribute with backward-compatibility in mind?

I'd like to use HTML5's placeholder attribute (You can see it in cation in the newsletter at Thought ... simulate it for older browsers? See Question&Answers more detail:os...

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

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302 views

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javascript - Nest jQuery UI sortables

Is there a way to have nested jQuery sortables? As in nested containers, not in the sense of a nested list. < ... http://jsfiddle.net/ExLqv/8/ See Question&Answers more detail:os...

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

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456 views

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javascript - Node.js Maximum Safe Floating-point Number

In Node.js, is there a maximum safe floating-point number like Number.MAX_SAFE_INTEGER? I had a little ... the maximum value decreases. See Question&Answers more detail:os...

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

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754 views

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javascript - Disable drop on past dates in FullCalendar

I started using the FullCalendar plugin recently. I am trying to implement a function on dropping events in the ... getting removed. 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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310 views

1 answer

javascript - tr display none crashes ie9

This code crashes ie9 as i am having this problem in my code .. any work around will be appreciated .. This is not ... = 'none'; } </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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244 views

1 answer

javascript - Posting Array to PHP using ajax

I'm having issues posting an Array to a PHP page using AJAX. I've been using this question as guidance, but for ... see what I'm doing 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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315 views

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javascript - Inherit attributes and lifecycle functions of Sails.js models

I want to create a custom set of attributes and lifecycle methods that are shared between all my Sails.js models ... that goes well with Sails? See Question&Answers more detail:os...

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

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324 views

1 answer

javascript - How do you open Chrome extension options page from a web page?

My Chrome extension has a content script that uses the following to inject HTML into the page: var optionsUrl = ... permission that I'm missing? See Question&Answers more detail:os...

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

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251 views

1 answer

javascript - Insert elements from array to table in jquery/js

I have a js file called reservations.js, in this file I have an array of reservations, like: var reservations ... little unsure what I'm doing. See Question&Answers more detail:os...

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

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418 views

1 answer

javascript - Saving file on IE11 with FileSaver

I'm using FileSaver library ( https://github.com/eligrey/FileSaver.js) and does not work on IE11, with ... Any help should 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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347 views

1 answer

javascript - Why is the behavior of setTimeout(0) and setImmediate() undefined when used in the main module?

Take the following code taken from the nodejs event loop documentation : // timeout_vs_immediate.js setTimeout(() = ... is non-deterministic ? See Question&Answers more detail:os...

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

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312 views

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javascript - Flatten object to array?

I'm using an object as a hash table. I'd like to quickly print out its contents (for alert() for instance). ... arrays of (key, value) pairs? See Question&Answers more detail:os...

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

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270 views

1 answer

javascript - how to remove an item from a list with a click event in ReactJS?

var FilterList = React.createClass({ remove: function(item){ this.props.items = this.props.items.filter(function( ... decisions here too, newbs. See Question&Answers more detail:os...

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

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464 views

1 answer

javascript - Loading an Audio buffer and play it using the audio tag

I am trying to load an audio buffer from an URL, and then to play it. I got most of the code form this ... that did not work. Any info there? See Question&Answers more detail:os...

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

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1.1k views

1 answer

javascript - How to save the window.URL.createObjectURL() result for future use?

I'm making an application in HTML5 where you choose a video file, and then the application plays it with the ... () but with something else? See Question&Answers more detail:os...

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

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348 views

1 answer

javascript - Add two textbox values and display the sum in a third textbox automatically

I have assigned a task to add two textbox values.I want the result of addition to appear in the 3rd textbox, ... This is not working in chrome See Question&Answers more detail:os...

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

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572 views

1 answer

javascript - io.on is not a function

I have this code working for receiving data from my Arduino but I will like to send data back to my Arduino and get a ... 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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377 views

1 answer

javascript - Advantage of Functional Reactive Programming over event-listeners

I've been hearing a lot about functional reactive programming, and decided to check out what the big deal is. ... big advantage of doing 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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259 views

1 answer

javascript - Scroll to a certain element of the current page in Angular 4

Upon clicking a button (which is bottom of the page), I want to go to a certain element (in my case, ... (navbar) is in other component. See Question&Answers more detail:os...

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

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613 views

1 answer

javascript - Uncaught TypeError: Cannot read property 'aDataSort' of undefined

i am working on pagination and i am using DataTables plugin , on some tables it's work but on some tables ... does anyone knows the 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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