Recent questions tagged JavaScript

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javascript - Fastest selector method in jquery and CSS - ID or not?

What is fastest in jquery/javascript? $('#myID .myClass') or $('.myClass') What is best to use in CSS? #myID ... Be faster than: $('.myClass') See Question&Answers more detail:os...

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

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426 views

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javascript - Setting Your Own Key When Adding an Object to Firebase - AngularFire

I can use the following to add an object to my Firebase data store: var uniqueId = { name: "a name", location: ... when I add to my data store? 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 - How to detect that text typed in text-area is RTL

I have a textarea in which the user can enter text in english (or any other left-to-right language) or in a ... /text-field was typed as RTL? See Question&Answers more detail:os...

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

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283 views

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javascript - Error : : jQuery was not called

Here is my ajax call. $.ajax({ type: "GET", url: "http://example.com/v1/search?keyword=r", ... at that point getting error No Transport See Question&Answers more detail:os...

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

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291 views

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javascript - Angular JS: get ng-model on ng-change

I have the following HTML <select ng-model="country" ng-options="c.name for c in countries" ng-change=" ... . What am I missing here? See Question&Answers more detail:os...

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

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539 views

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javascript - Chosen dropdown within Bootstrap modal is hidden behind modal footer

I am using a modal based on the example from twitter bootstrap. I have a select element that uses chosen. When the ... -msg"></span> </div> 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 - How to get the minimum and maximum date

How do I get the smallest and biggest date. I see that the smallest number can be got like this: Number. ... find the smallest and biggest date See Question&Answers more detail:os...

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

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290 views

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javascript - Statechange is firing whenever i do a push-state

I am using history.js to handle back button. In history.js statechange is firing whenever i do a pushstate. 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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275 views

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javascript - Why Symbols not convert string implicitly

Why Symbol('test').toString() works well, but I can't use '' + Symbol('test')? It will throw Error: cannot ... '' + Symbol('test').toString()? 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 - How does the chai expect function work?

From chai's api you've got code like this: .exist Asserts that the target is neither null nor undefined. var ... getter method. What's the go? See Question&Answers more detail:os...

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

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373 views

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javascript - Is there any way to have a transition effect when changing the innerHTML?

I'm trying to add a transition effect when switching between projects. This code currently works, but I'd rather ... % projects.length; }); See Question&Answers more detail:os...

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

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774 views

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javascript - Is there a callback for History.pushstate?

My Google-fu pulls up nothing. When you do this: var stateObj = { state: "some state" }; history. ... callback for anytime the URL changes? See Question&Answers more detail:os...

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

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357 views

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javascript - Create-React-App with Moment JS: Cannot find module "./locale"

Just ran an npm update on my web application and now Moment JS appears to be failing with the following message: ... along way to helping out. See Question&Answers more detail:os...

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

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354 views

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javascript - help with displaying a variable in jade express

I'm trying to load some variables with res render like that: res.render('blog_edit', {title: 'edit your ... you please help? 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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334 views

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javascript - Angular.js pass filter to directive bi-directional ('=') attribute

I need to use sublist directive in few places of the page, and it should contain sometimes full fields list, ... a 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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632 views

1 answer

javascript - Ultra simple Chrome Extension doesn't addEventListener to button onclick event

So I'm testing out creating a chrome extension. I understand that with Manifest v2 you can't have javascript in popup. ... .html" } } Any ideas? See Question&Answers more detail:os...

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

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318 views

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javascript - How do I get a date in YYYY-MM-DD format?

Normally if I wanted to get the date I could just do something like var d = new Date(); console.log(d); The problem ... -YYYY H:M 8/24/2016 4:20 See Question&Answers more detail:os...

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

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523 views

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javascript - Upload a base64 image with Firebase Storage

I'm making this app where users can have a profile picture (but only one picture each). I got everything set up, ... 't seem to find the answer. See Question&Answers more detail:os...

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

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815 views

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javascript - WKWebview evaluateJavascript is not working, throws an error

I am trying to call an existent function from a remote site in a WKWebview: function addtext (text) { ... must missing something really stupid! See Question&Answers more detail:os...

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

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580 views

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javascript - Node js capture keyboard press and mouse movement (not on Web Browser)

I'm trying to make a program using node js that will capture key press and mouse movement . Not on web browser ... do that . 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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491 views

1 answer

javascript - keyPress event not firing in Android mobile

I am using backbone,marionette for my Application.I used same code for both desktop and mobile but keypress not ... anyone help me. 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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364 views

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javascript - Connecting MongoDB to the front-end?

I've built a database with Node.js and MongoDB, and I'm writing an Angular.js app that should call in entries from ... I'm wrong, 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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236 views

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javascript - AngularJS - Route to another page of different ng-app module after login

I have a basic knowledge of AngularJS only. I have created one AngularJS application. index.html has two links for ... name, and other values? See Question&Answers more detail:os...

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

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439 views

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javascript - Set background fill, stroke, and opacity of HTML5 Canvas

I use the below code to set styles of myCanvas, but I am not able to set fillStyle. Yet, strokeStyle and lineWidth is ... [1]); hdc.stroke(); } See Question&Answers more detail:os...

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

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386 views

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javascript - Testing Angular2 components that use setInterval or setTimeout

I have a fairly typical, simple ng2 component that calls a service to get some data (carousel items). It also uses ... here; }); })); See Question&Answers more detail:os...

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

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258 views

1 answer

javascript - jquery-min version?

I noticed that there is always a "min" version (stands for mini?) for most JavaScript libraries (e.g., jQuery ... of min versions out 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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359 views

1 answer

javascript - Google Drive uploading file size limit

Im trying to upload my files to Google Drive via REST API (resumable upload). Everything looks good ( ... only with cosmetic changes. See Question&Answers more detail:os...

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

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359 views

1 answer

javascript - How to preserve query parameters in react-router v4

Users redirected to my app after login (server on java), and they have url, which looks like this http://10.8 ... , in hope. 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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