Recent questions tagged Javascript

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javascript - How to check if DOM is ready without a framework?

The question is so like a zillion others here and on the web - How to check if DOM has loaded in ... mentioned solutions will never fire). 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 run background tasks in React Native?

I've built a little iOS app in React Native that does location tracking, sending the lat/lng regularly to a ... the user is in other apps? 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 - Typescript: How to extend two classes?

I want to save my time and reuse common code across classes that extend PIXI classes (a 2d webGl renderer ... 't find any other solution. 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 set the first option on a select box using jQuery?

I have two HTML select boxes. I need to reset one select box when I make a selection in another. <select id="name ... all. How can I do that? 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 - Implementing Google Translate with custom flag icons

Currently, I'm using the simple Google Translate drop-down menu found here: http://translate.google.com/ ... google translate text links. See Question&Answers more detail:os...

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

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313 views

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javascript - AngularJS abort all pending $http requests on route change

Please go through the code first app.js var app = angular.module('Nimbus', ['ngRoute']); route.js app. ... other way to implement the same ? 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 - Multiple Nested Routes in react-router-dom v4

I need multiple nested routes in react-router-dom I am using v4 of react-router-dom I've got my import { ... this for the last two days. 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 - Convert HTML5 Canvas into File to be uploaded?

The standard HTML file upload works as follows: <g:form method="post" accept-charset="utf-8" enctype=" ... same for the server somehow? See Question&Answers more detail:os...

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

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300 views

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javascript - How to draw polygons on an HTML5 canvas?

I need to know how to draw polygons on a canvas. Without using jQuery or anything like that. 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 - jQuery: $().click(fn) vs. $().bind('click',fn);

When using jQuery to hookup an event handler, is there any difference between using the click method $(). ... bind's optional data parameter. See Question&Answers more detail:os...

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

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346 views

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javascript - Scroll to element on click in Angular 4

I want to be able to scroll to a target when a button is pressed. I was thinking something like this. < ... which differs alot to Angular 4 See Question&Answers more detail:os...

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

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264 views

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javascript - How can I mock the imports of an ES6 module?

I have the following ES6 modules: File network.js export function getDataFromServer() { return ... } File widget.js ... s my best idea so far. See Question&Answers more detail:os...

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

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430 views

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javascript - ESRI : Failed to parse source map

I am getting this error in the Google chrome developer console. Failed to parse SourceMap: http://localhost:15132/Scripts/ ... How do I fix it? See Question&Answers more detail:os...

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

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490 views

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javascript - How to show live preview in a small popup of linked page on mouse over on link?

How to show live preview in a small popup of linked page on mouse over on link ? like this http://cssglobe.com/lab/tooltip/03/ but live preview See Question&Answers more detail:os...

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

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281 views

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javascript - Generating Fibonacci Sequence

var x = 0; var y = 1; var z; fib[0] = 0; fib[1] = 1; for (i = 2; i <= 10; i++) { ... there no output. Can anybody let me know what's 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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383 views

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javascript - How to send flash messages in Express 4.0?

So my web application requires authentication, and I have a signup page where if the person tries to sign up with ... using Express 4.0.0 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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246 views

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javascript - The reason to use JS .call() method?

I'm interested what's the reason to have call() method in JS. It seems it duplicates usual method of calling this ... use. Why call() is needed? See Question&Answers more detail:os...

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

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991 views

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javascript - How to move table row in jQuery?

Say I had links with up/down arrows for moving a table row up or down in order. What would be the most ... plugin previously) isn't an option. See Question&Answers more detail:os...

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

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242 views

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javascript - What does calling super() in a React constructor do?

Learning React from the docs and came across this example: class Square extends React.Component { constructor() { ... super() by itself? See Question&Answers more detail:os...

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

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247 views

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javascript - Replacing objects in array

I have this javascript object: var arr1 = [{id:'124',name:'qqq'}, {id:'589',name:'www'}, {id:'45 ... }] How can I implement it using javascript? See Question&Answers more detail:os...

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

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252 views

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javascript - Disable browsers vertical and horizontal scrollbars

Is it possible to disable the browsers vertical and horizontal scrollbars using jQuery or javascript? See Question&Answers more detail:os...

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

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253 views

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javascript - Embedding SVG into ReactJS

Is is possible to embed SVG markup into a ReactJS component? render: function() { return ( <span> <svg version="1 ... for what I'm trying to do. See Question&Answers more detail:os...

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

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269 views

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javascript - jQuery live scroll event on mobile (work around)

The age old problem: Getting the scroll event to fire while a user is scrolling on an element while on a mobile ... my time. Any help guys? See Question&Answers more detail:os...

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

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380 views

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javascript - Image resize before upload

I need to provide a means for a user to upload photos to their web site in jpeg format. However, the ... that do this will be appreciated. See Question&Answers more detail:os...

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

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630 views

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javascript - How do you save an image from a Three.js canvas?

How do you save an image from a Three.js canvas? I'm attempting to use Canvas2Image but it doesn't like ... save-out-your-canvas-data-to-images See Question&Answers more detail:os...

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

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410 views

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javascript - Have just one InfoWindow open in Google Maps API v3

I need to have only one InfoWindow open on my Google Map. I need to close all other InfoWindows before I open a ... show me how to 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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338 views

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javascript - How do I unbind "hover" in jQuery?

How do I unbind "hover" in jQuery? This does not work: $(this).unbind('hover'); See Question&Answers more detail:os...

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

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244 views

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javascript - setInterval in a React app

I'm still fairly new at React, but I've been grinding along slowly and I've encountered something I'm stuck on. ... }); module.exports = Clock; See Question&Answers more detail:os...

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

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