Recent questions tagged Javascript

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javascript - ESLint - Component should be written as a pure function (react prefer/stateless function)

ESLint is giving me this error on a react project. Component should be written as a pure function (react prefer/ ... get rid of this error? 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 - chrome.runtime.onMessage response with async await

I want to use async await in an onMessage listener: chrome.runtime.onMessage.addListener(async (request, sender, ... return true; }); 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 - Material-ui @next customize button colors?

I am struggling to modify button colors in Material-UI@next (v1). How would I set muitheme to behave similarity to ... What options do I have? 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 - google.maps.places is undefined

I have a website that loads 3 seperate "views" of a location via Google Maps, Street and Places. Please ... show up properly and everything. 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 - React.js How to render component inside component?

I am stuck. I have several seperate components on seperate files. If I render them in main.jsx like ... PageBottom component? Thank you. 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 detect when a image is loaded, that is provided via props, and change state in React?

I want to load a different image(fake avatar) while the final avatar image is loading. The idea is to detect ... ; } } export default ImageUser; 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 - Why does `isFinite(null) === true`?

The following are examples that make sense to me. isFinite(5) // true - makes sense to me, it is a ... What other impacts does this have? 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 get list of days in a month with Moment.js

Using Moment.js I would like to get all days in a month of specific year in an array. For example: January-2014 ... not an array with each day. 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 - Check if window has focus

I need to check if the user has windows on focus, I'm currently doing this: var isonfocus=true; window.onblur ... to work on all major browsers. 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 - Visual Studio 2010 script debugger doesn't work for me

I just installed VS 2010 Beta 2 and wanted to play with an ASP.NET MVC 2 project. I simply added some ... debugging seems to work just fine. See Question&Answers more detail:os...

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

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603 views

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javascript - Clicking outside a contenteditable div stills give focus to it?

For some reason I need to use contenteditable div instead of normal text input for inputting text. (for some ... is not working for 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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javascript - Is there a version of setTimeout that returns an ES6 promise?

Similar to this question, but rather than asking about how promises work in general, I specifically want to know ... , but not Angular specific. See Question&Answers more detail:os...

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

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181 views

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javascript - How to empty the content of a div

Does someone know how to empty the content of a div (without destroying it) in JavaScript? Thanks, Bruno See Question&Answers more detail:os...

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

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493 views

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javascript - How to pass parameters to a JQuery $.getJSON callback method?

function CallMethod() { $.getJSON('/website/RESTfulService.svc/LiveLocation/json?{x=1,y=2}', function(data) { getResult( ... , data.lon); }); } 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 - ES6: Find an object in an array by one of its properties

I'm trying to figure out how to do this in ES6... I have this array of objects.. const originalData=[ ... s (currinvestment) value (currvalue) } 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 do I extend another VueJS component in a single-file component? (ES6 vue-loader)

I am using vue-loader (http://vuejs.github.io/vue-loader/start/spec.html) to construct my *.vue single- ... . Can anyone please offer advice? See Question&Answers more detail:os...

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

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198 views

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javascript - How to disable an input box using angular.js

I am using this field for an edit view and a create view <input data-ng-model="userInf.username" class="span12 ... do in angular } Please 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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458 views

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javascript - How to hide password in the nodejs console?

I want to hide password input. I see many answers in stackoverflow but I can't verify value if I press backspace. The ... : " + password); }); See Question&Answers more detail:os...

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

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444 views

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javascript - Babel 6 transform-runtime: $export is not a function

I'm trying to incorporate Babel's transform-runtime to make my code compatible with IE9. But since integrating it, the ... loader' }, ] } }; See Question&Answers more detail:os...

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

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475 views

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javascript - Backbone.js collection comparator sort by multiple fields?

this.col = Backbone.Collection.extend({ model: M, comparator: function(item) { return item.get("level"); } }); ... title. Can I do that? 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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410 views

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javascript - Difference between codePointAt and charCodeAt

What is the difference between String.prototype.codePointAt() and String.prototype.charCodeAt() in JavaScript? 'A'. ... charCodeAt(); // 65 See Question&Answers more detail:os...

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

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627 views

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javascript - Select2 limit number of tags

Is there a way to limit the number of tags a user can add to an input field using Select2? I have: $(' ... to fire when the limit is reached. 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 - AngularJS String with newlines, shown without breaks

In the database I'm saving input from a textarea, where you can add breaks. But how to show them in a ... saved like that in the database. See Question&Answers more detail:os...

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

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157 views

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javascript - How to get a key/value data set from a HTML form

I'm simply looking for a way to get all the values from a <form>. I searched the Web for a while, ... type="file"> should be supported). See Question&Answers more detail:os...

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

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201 views

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javascript - three.js - How can I dynamically change object's opacity?

This is my object: var object = new THREE.Mesh( geometry, new THREE.MeshLambertMaterial( { map: THREE.ImageUtils. ... texture??? 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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730 views

1 answer

javascript - Property 'allSettled' does not exist on type 'PromiseConstructor'.ts(2339)

I'm trying to use the Promise.allSettled API with TypeScript. Code here: server.test.ts: it('should ... about working with TypeScript natively. See Question&Answers more detail:os...

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

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231 views

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javascript - Using a Set data structure in React's state

Is it possible to use ES6's Set data structure in React? For example, if I have a checklist composed of distinct ... a Set object in the state? See Question&Answers more detail:os...

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

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214 views

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javascript - Print PDF in Firefox

How to print a PDF in Firefox? This function works in Chrome but not in Firefox function print_pdf(url){ ... denied to access property "print" See Question&Answers more detail:os...

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

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