Recent questions tagged JavaScript

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javascript - waitForSelector passes, but assertExists fails for the same selector

When I call the following function, waitForSelector passes for 'selector', but assertExists fails for the same ... :nth-child selector. 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 - identical md5 for JS and PHP

for a small project I need identical md5 hashes for both JS and PHP. Im using this javascript to convert a ... ideas? Help is much appreciated 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 - What's the elegant way of binding multiple elements with different event respectively using same event handler?

I have both $(document) and $(window), they are bound with 'ready' and 'resize' event respectively. They are ... make the code clean and simple> 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 - Displaying a map using D3.js projection

I'm trying to display India's map using D3.js and this geoJSON file. When I run the following HTML file in the ... </script> </body> </html> 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 open a URL in incognito window using js?

Is there any method to open a link in a new incognito/private window using js? Found this but it only works ... the user clicks on a button. See Question&Answers more detail:os...

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

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267 views

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javascript - jquery disable click until animation is fully complete

i want to disable click function untill every code in it; initialized and completed. i read these articles and tried ... return false; }); ? 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 - Multiple conditions in if statement on both sides of the logical operator

I was experimenting with having multiple arguments in an if statement on both sides of the logical operator. I ... a similar structure [Fiddle] 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 - Combining arrays in JS

If you have 2 arrays classical and pop: classical=["Beethoven","Mozart","Tchaikovsky"]; pop=["Beatles","Corrs", ... ...] Many 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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javascript - Filtering an array with a deeply nested array in JS

How can I filter an array with a deeply nested array? Given the following 2 arrays, I need the result to be ... Object, Object, Object, Object] See Question&Answers more detail:os...

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

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683 views

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javascript - Inserting a nested div structure with createDocumentFragment

How do you use createDocumentFragment to create seven nested div elements in one hit? I want to create a container ... but to no avail. 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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224 views

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javascript - How do I create a Blob in Node.js?

I have tried to create a Blob in Node.js. First just this: var b = new Blob(['hi', 'constructing', 'a', ... not a constructor How can I do 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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147 views

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javascript - assign a variable in handlebars

I am working on the stencil platform on big commerce. this platform uses the handlebars syntax. I need to be ... </script> 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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281 views

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javascript - How to convert American date format to European

from : 5/19/2011 to : 2011-05-19 I need it to raise an error when it finds that it cannot be real like ... there any libraries that do it well? See Question&Answers more detail:os...

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

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455 views

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javascript - How to create a RxJS buffer that groups elements in NodeJS but that does not rely on forever running interval?

I'm capturing events from an application using Rx.Observable.fromEvent in a NodeJS. These are sent to another ... (log('Response received')) See Question&Answers more detail:os...

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

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226 views

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javascript - How to achieve page break in HTML table for Google Chrome?

I am trying to print a large table generated with jQuery in an HTML page. I am using Chrome 26.0.141. ... achieve page break in Google Chrome? See Question&Answers more detail:os...

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

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265 views

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javascript - Reliable cross browser way of setting Status bar text

I've heard of window.status and that it can be used to control the browser's status bar text, but I would ... times after the page has loaded? See Question&Answers more detail:os...

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

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226 views

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javascript - How do I force jquery to center an element when it is dragged to and snapped to another container?

I want some square-shaped draggable objects (in this case just <td> boxes with numbers in them) to be able to ... rather than an abrupt jump... See Question&Answers more detail:os...

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

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558 views

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javascript - How to make datalist match result from beginning only

I am tring to make datalist in html here is example <h1>Datalist Demo</h1> <label for="default">Pick a ... than 5000 records stored in MySQL. See Question&Answers more detail:os...

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

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333 views

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javascript - Advanced styling in material-ui

I start to study material-ui and create a simple app in the SandBox: https://codesandbox.io/s/eager-ride- ... I will understand 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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115 views

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javascript - Why do I have to specify parameter names in a TS function type?

I am using typescript to write some function and this is the one that TS accepts: export const useSomething = <T ... name before the T occurs? See Question&Answers more detail:os...

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

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620 views

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javascript - Why not to use splice with spread operator to remove item from an array in react?

splice() mutates the original array and should be avoided. Instead, one good option is to use filter() which creates ... Does it have any cons? See Question&Answers more detail:os...

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

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170 views

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javascript - Preventing concatenation

I've been writing JavaScript on and off for 13 years, but I sort of rediscovered it in the past few ... across browsers is also a concern. See Question&Answers more detail:os...

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

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156 views

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javascript - In what object does Node.js store variables?

in my server.js: If I type: var yo = 123; console.log(global.yo); // undefined console.log(this.yo); ... in Node where this variable is stored? See Question&Answers more detail:os...

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

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378 views

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javascript - How to force Flatlist to re-render after getting a single data?

I've faced an issue with flatlist when I get single data from the server and set these into state and passes ... } }); export default ListChats; See Question&Answers more detail:os...

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

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168 views

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javascript - Firebase cloud functions stopped working - event.data undefined

I have some cloud functionsbut they suddenly stopped working, now I'm getting event.data undefined exports. ... in firebase cloud functions? See Question&Answers more detail:os...

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

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210 views

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javascript - Assigning property to JS object using another objects property value as the property name

I want to use the value of an objects property to name the property of another object. Easy to do in ... equivalent in javascript? 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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497 views

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javascript - Page reloads on hide/show button click using jQuery

I'm using jQuery to show/hide a div by clicking on the show/hide buttons. However, my code doesn't work ... outside the form it works. 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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285 views

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javascript - Cypress with SystemJS

I am attempting to create some basic tests to try out the new Cypress library. In my test I have cy.visit( ... mywebsite.com').its('APP_READY'); See Question&Answers more detail:os...

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

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