Recent questions tagged JavaScript

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javascript - Node.js - events.js:154 throw err write EPIPE; Program Crashing

Trying to run my Node.js program, which has worked for a long time, and now it is suddenly... not. I'm ... anything I should add let me know. 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 - what is 'require' function is ReactJS?

Take the below sample code for example. require('react-bootstrap-datetimepicker'); ... render: function() { ... do something? Thanks very much 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

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javascript - use remove() on multiple elements

this: document.getElementsByClassName('warningmessage').remove(); doesn't work if you have multiple warningmessage elements ... for your tips! 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 - iFrame isolation

Just a thought, but would using an IFRAME over a DIV essentially make that element isolated from the window ... affect the other frames/window? See Question&Answers more detail:os...

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

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241 views

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javascript - Skip recursion in jQuery.find() for a selector?

TL;DR: How do I get an action like find(), but block traversal (not full stop, just skip) for a certain selector? ... .init(Markup); }); } ); 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

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javascript - Jquery: filter input on keypress

I have a text field, which will accept only the following characters: Allowed characters: [a-z 0-9 + # - .] ... ) Why it doesn't work? 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 - Color Thief won’t work …

I'd like to use Color Thief, a script which allows you to extract the dominant color of an image. Unfortunately I ... /div> Thanks for any help! 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 - Override html5 validation

I'm working on a simple login form, with two fields: <form> <input type="email" name="email" required /> ... , and take over the entire process? 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 post image with fetch?

I just learning react and I create an gallery App, but I have problem with posting picture to API. The problem ... 500? Thanks for helping me. See Question&Answers more detail:os...

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

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279 views

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javascript - Passing props with screen option in DrawerNavigator

I am using DrawerNavigator in https://reactnavigation.org/docs/navigators/drawer. const MyApp = DrawerNavigator({ Home: { ... val2), }, }); See Question&Answers more detail:os...

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

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366 views

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javascript - JSON Get request using JQuery (cross-domain)

I'm trying to make a simple JSON get request to an API on a domain that I do not control. My code is ... . Your help is very much 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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440 views

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javascript - Elements appended to SVG with D3 are not appearing

I am trying to display some simple bar charts with D3 where each bar is a div, but nothing is being displayed. var ... .17/d3.min.js"></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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569 views

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javascript - jQuery show submenu if parent have been clicked

Could some one please help with code. I want to show the submenu only when submenu parent is clicked. HTML <ul> ... http://jsfiddle.net/KhNCV/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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556 views

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javascript - Using the spread operator in styled components

Is it possible to use the spread operator with a styled component in React Native? I have this component: const ... to setup 4 styles. 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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305 views

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javascript - Why can't you stringify a jQuery object?

The line JSON.stringify( $("p") ); causes an error: InvalidStateError: Failed to read the 'selectionDirection' ... pass it in a message? See Question&Answers more detail:os...

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

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289 views

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javascript - Is there something similar to `$(window).load();` for executing a function after newly inserted Ajax content has finished loading?

After I make an ajax request by doing something simple like $(element).load(url, callback); there will be new ... the HTML has been inserted)? See Question&Answers more detail:os...

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

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658 views

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javascript - jQuery iframe scroll event (IE)

Can't listen to the scroll event in Internet Explorer 7. I've tried: $("#myIframe").scroll(function() { alert('hi') ... () { alert('hi'); }) See Question&Answers more detail:os...

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

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427 views

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javascript - Change second select list based on first select list value in rails

Updated with answer code at bottom For second select box, show select options for only those staff members associated to ... team_id }); }); See Question&Answers more detail:os...

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

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430 views

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javascript - How to reload a page at certain hour and only once a day

I have a javascript function that runs every one minute. setInterval(function(){ //first, check time, if it is 9 ... up at the exact same time? See Question&Answers more detail:os...

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

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416 views

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javascript - Use "pastefromword" Filtering on All Pasted Content in CKEditor 3

CKEditor is a great editor and the pastefromword plugin is very good. I'd like to have the filtering provided by the plugin ... (); } }); }); See Question&Answers more detail:os...

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

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331 views

1 answer

javascript - Cloud Functions for Firebase HTTP timeout

I'm so close with this one. I have written a Cloud Function that takes information sent from an Azure token to custom ... mail, "name" : name ] See Question&Answers more detail:os...

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

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452 views

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javascript - detect mouse direction

I am trying this code to detect if the mouse direction is going up or down: <html> <head></head> <body> <div ... show "from top" Any idea ? demo See Question&Answers more detail:os...

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

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227 views

1 answer

javascript - Does markercluster work together with leafletProxy() and option iconCreateFunction?

Am I doing something wrong, or why does the below example not work? I am trying to make leaflet markercluster plugin work ... 57.0.1 (64-bit) See Question&Answers more detail:os...

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

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638 views

1 answer

javascript - Chart.js - Setting max Y axis value and keeping steps correct

I'm using Chart.js 2.6. I have a chart to which I've added custom pagination to step through the dataset, as it ... maxValue / step) * step); }; See Question&Answers more detail:os...

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

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521 views

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javascript - watch network with nightwatch

I'm using nightwatch to test the frontend of an application. I'm testing that some buttons are clickable or ... , to watch the network. See Question&Answers more detail:os...

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

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424 views

1 answer

javascript - Phantom.js login instagram page

I am trying use phantom.js to login in instagram website. My first approach was: document.querySelector(" ... .instagram.com/accounts/login/ 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 - Why is CORS without credentials forbidden?

I'm trying to understand why cross-domain requests without credentials are not allowed (by default, without setting up ... the request - link. See Question&Answers more detail:os...

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

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337 views

1 answer

javascript - How to open a popover on the mouse click location

I have loaded an image on my HTML page and I'd like to open a popover from Twitter Bootstrap right over the ... image. How can I achieve 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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