Recent questions tagged Javascript

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javascript - Unexpected `await` inside a loop. (no-await-in-loop)

How Should I await for bot.sendMessage() inside of loop? Maybe I Need await Promise.all But I Don't Know How ... a loop. (no-await-in-loop) 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 - Accessing Index in #each in emberjs

Please check out the code attached http://jsbin.com/atuBaXE/2/ I am trying to access the index using {{@index}} ... 0 Handlebars.VERSION : 1.0.0 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 - Display images in React using JSX without import

The problem I faced is with the img tag. When a single image is concerned, The below code loads the image: ... JSX as of now. Please favour. 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 - Access the URL of an jQuery Ajax Request in the Callback Function

Is there a way that I can see the URL that was requested when I do an Ajax request with jQuery? e.g., ... find it in the documentation. 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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296 views

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javascript - Get which key pressed from (keypress) angular2

Is it possible to find out which key was pressed when using (keypress) in Angular 2? E.g. <input type= ... meant Angular 2.0 with typescript. 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 - Getting access to a jquery element that was just appended to the DOM

I am simply appending an element that is on the DOM like: $("#div_element").append('<a href="#">test</a ... the element right after I append 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 - FB init function gives wrong version error

I'm using the Facebook JS sdk, and I have created a new App today. Everything is configured properly. Using init ... What am I doing wrong 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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412 views

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javascript - what's the difference between getDerivedStateFromError and componentDidCatch

What I understood from here: componentDidCatch: is called always in the browser is called during the "commit phase" ... what's wrong with that? 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 - Uses of the finally statement

This is a very basic question. In Java I use the finally statement to close resources because "it's a good ... can be put inside the catch. 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 JS return hostname

I'm still learning Node JS and javascript and have an app. I have a configuration file where I need to ... differentiated when the app loads. See Question&Answers more detail:os...

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

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342 views

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javascript - express app server . listen all interfaces instead of localhost only

I'm very new for this stuff, and trying to make some express app var express = require('express'); var ... linux mint 17 without any whistles. See Question&Answers more detail:os...

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

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288 views

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javascript - How to set Highcharts chart maximum yAxis value

I've been trying for two days to find a way to set the maximum value of the yAxis on Highcharts. I got a ... Thanks in advance, Bruno W.G. See Question&Answers more detail:os...

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

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479 views

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

I am trying to grab a webpage and load into a bootstrap 2.3.2 popover. So far I have: $.ajax({ type: " ... here and how can I fix it? jsfiddle See Question&Answers more detail:os...

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

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450 views

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javascript - Angularjs: select not updating when ng-model is updated

I've created the following example so you can see exactly what is happening: http://jsfiddle.net/8t2Ln/101/ The same ... }}</div> </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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363 views

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javascript - How do I add a separator between elements in an {{#each}} loop except after the last element?

I have a Handlebars template where I'm trying to generate a comma-separated list of items from an array. In my ... isLastItem}}, {{/unless}} See Question&Answers more detail:os...

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

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178 views

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javascript - How to add dynamically attribute in VueJs

I'm using vuejs and I wanna know how to have control on inputs (add disabled attribute when necessary). Is ... :disabled="true"></textfield> See Question&Answers more detail:os...

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

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288 views

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javascript - Jasmine 2.0 async done() and angular-mocks inject() in same test it()

My usual test case looks like it("should send get request", inject(function(someServices) { //some test })); ... done and inject in one test? See Question&Answers more detail:os...

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

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177 views

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javascript - Is there a way to check if two DOM elements are equal?

It's no problem to find an element by position and the position of an element in Javascript. But is there ... elements have ids or classnames. See Question&Answers more detail:os...

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

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755 views

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javascript - Conditional Validation in Yup

I have an email field that only gets shown if a checkbox is selected (boolean value is true). When the form get ... well. What am I 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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400 views

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javascript - Using optional chaining operator for object property access

TypeScript 3.7 now supports the optional chaining operator. Hence, you can write code such as: const value = ... the syntax examples 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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280 views

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javascript - How to select ALL children (in any level) from a parent in jQuery?

I have to .unbind() all elements from a parent node. How can I select all children (at any level) from a parent ... .. Here there is a test 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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361 views

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javascript - Express.js - How to check if headers have already been sent?

I am writing a library which may set headers. I want to give a custom error message if headers have already ... headers have already been sent? See Question&Answers more detail:os...

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

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209 views

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javascript - setTimeout in React Native

I'm trying to load a splash screen for an iOS app built in React Native. I'm trying to accomplish this through ... any ideas on how to fix 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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307 views

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javascript - How to get current route in react-router 2.0.0-rc5

I have a router like below: <Router history={hashHistory}> <Route path="/" component={App}> <IndexRoute ... two solutions are now deprecated. See Question&Answers more detail:os...

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

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187 views

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javascript - Removing object properties with Lodash

I have to remove unwanted object properties that do not match my model. How can I achieve it with Lodash? My ... Can I achieve it with Lodash? See Question&Answers more detail:os...

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

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398 views

1 answer

javascript - Why isn't the FileList object an array?

Documentation: https://developer.mozilla.org/en-US/docs/Web/API/FileList Why is FileList an object rather than an ... == fileList.item(0)). See Question&Answers more detail:os...

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

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342 views

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javascript - How to align text input correctly in react native?

The Text input is center aligned, how to fix this text input so that it takes input from top left corner Here is ... 'flex-start', height: 150 } See Question&Answers more detail:os...

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

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240 views

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javascript - How to encode URL parameters?

I am trying to pass parameters to a URL which looks like this: http://www.foobar.com/foo?imageurl= And I want ... , and that too doesn't 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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