Recent questions tagged Javascript

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javascript - Is it possible to use dotenv in a react project?

I am trying to set some environment variables (for making API calls to dev/prod endpoints, keys depending on dev/ ... can I do this correctly? 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 - Node.js console.log - Is it possible to update a line rather than create a new line?

My node.js application has a lot of console logs, which are important for me to see (it's quite a big app ... rather than creating a new line? 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 - Error message "DevTools failed to load SourceMap: Could not load content for chrome-extension://..."

I'm trying to display an image selected from the local machine and I need the location of that image ... code 404, net::ERR_UNKNOWN_URL_SCHEME 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 - KeyboardEvent.keyCode deprecated. What does this mean in practice?

According to MDN, we should most definitely not be using the .keyCode property. It is deprecated: https:// ... there something I'm missing? 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 - Why don't I get a 'same origin policy' warning when using the Google Maps API?

I'm making a RESTful web service call in my JavaScript page and get the following warning: "This page is ... warning and the other not? 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 - AngularJS - Animate ng-view transitions

I have 2 html pages, welcome.html and login.html both of which are "inserted" into index.html dependending on ... welcome.html and login.html? 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 does Firefox reader view operate

Summary I am looking for the criteria by which I can create a webpage and be [fairly] sure it will appear in ... not been able to find 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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308 views

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javascript - Deleting `package-lock.json` to Resolve Conflicts quickly

In a team set up, usually, I have faced merge conflicts in package-lock.json and my quick fix has ... of resolving the conflicts manually? 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 - AngularJS - $anchorScroll smooth/duration

Reading the AngularJS docs I haven't figured out if $anchorScroll can have a duration/easing option to smooth ... make scrolling more smooth? 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 - Declare an array in TypeScript

I'm having trouble either declaring or using a boolean array in Typescript, not sure which is wrong. I get an ... columns[i] = true;..? See Question&Answers more detail:os...

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

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690 views

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javascript - Convert hyphens to camel case (camelCase)

With regex (i assume) or some other method, how can i convert things like: marker-image or my-example-setting to ... code cleaner. No jQuery... 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 override $exceptionHandler implementation

There are some extra things we want to do anytime a javascript exception is thrown. From the docs on ... functionality we want to happen? See Question&Answers more detail:os...

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

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670 views

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javascript - How to properly unload/destroy a VIDEO element

I'm working on a realtime media browsing/playback application that uses <video> objects in the browser for playback, ... better way 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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224 views

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javascript - How do I make a div full screen?

I am using Flot to graph some of my data and I was thinking it would be great to make this graph ... and still preserve all event handling? 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 - When should you NOT use React memo?

I've been playing around with React 16.6.0 recently and I love the idea of React Memo, but I've ... a functional component with React Memo? See Question&Answers more detail:os...

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

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245 views

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javascript - How to do a redirect to another route with react-router?

I am trying to do A SIMPLE using react-router ( version ^1.0.3 ) to redirect to another view and I am just getting ... path='*' /> </Route> ); See Question&Answers more detail:os...

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

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453 views

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javascript - Can't get rid of header X-Powered-By:Express

I am running a server on nodejs with express. I can't seem to get rid of the header: X-Powered-By:Express I was ... do I have to live with 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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230 views

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javascript - How to perform unauthenticated Instagram web scraping in response to recent private API changes?

Months ago, Instagram began rendering their public API inoperable by removing most features and refusing to accept ... updated to reflect 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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243 views

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javascript - Passing parameters to a JQuery function

I'm creating HTML with a loop that has a column for Action. That column is a Hyperlink that when the user ... the correct parameters. Any help? See Question&Answers more detail:os...

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

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180 views

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javascript - Using ES6 Classes as Angular 1.x directives

I'm doing a small project to play around the goody bag the ES6 is bringing, I'm trying to set ... import and register within the components? See Question&Answers more detail:os...

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

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218 views

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javascript - Detecting change to Knockout view model

Sure this is a very easy question to answer but is there an easy way to determine if any property of a knockout view model has changed? See Question&Answers more detail:os...

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

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173 views

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javascript - what is the preferred way to mutate a React state?

Let's say I have a list of plain objects in my this.state.list that I can then use to render a list of ... to me. Is there a better way? See Question&Answers more detail:os...

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

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151 views

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javascript - In Angular, I need to search objects in an array

In Angular, I have in scope a object which returns lots of objects. Each has an ID (this is stored in a ... the $scope object to play with? See Question&Answers more detail:os...

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

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508 views

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javascript - Can a for loop increment/decrement by more than one?

Are there other ways to increment a for loop in Javascript besides i++ and ++i? For example, I want to increment by ... i+3) { //every three } See Question&Answers more detail:os...

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

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153 views

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javascript - Object.is vs ===

I stumbled upon a code example which was using this comparison: var someVar = 0; Object.is(false, someVar); // ... Object.is different from ===? See Question&Answers more detail:os...

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

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1.0k views

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javascript - socket io, node js, Simple example to send image/files from server to client

Is there any plain and straight forward examples on how to serve an image? from server to client? through buffering ... base64,' + image.buffer; See Question&Answers more detail:os...

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

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198 views

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javascript - Angularjs directive: Isolated scope and attrs

Please see the example here foodMeApp.directive('fmRating', function() { return { restrict: 'E', scope: { symbol ... I expect a reason. 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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113 views

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javascript - Getting requirejs to work with Jasmine

I first want to say that I am new to RequireJS and even newer to Jasmine. I am having some issues with the ... so that it isn't so yucky. See Question&Answers more detail:os...

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

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