Recent questions tagged JavaScript

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javascript - Why is webAssembly function almost 300 time slower than same JS function

Find length of line 300* slower First of I have read the answer to Why is my WebAssembly function slower than the ... name : "Empty", } ], 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 position a div next to a mouse click using JQuery?

How do I position a div next to a mouse click using JQuery? 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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176 views

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javascript - Using CSS and HTML5 to create navigation buttons using trapezoids

I'm trying to make a navigation-div with 4 buttons, one to go left, one to go right, another one to go down and ... to do the thing I ask of 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 - How to validate form with input[type=file] in angularjs

HTML: <form name="form"> <input type="file" ng-model="document" valid-file required> <input type="submit" value ... error and how to fix this? 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 - Tab specific cookies without using sessionStorage or any HTML5 features

I am interested in having users be able to login and logout with multiple user session cookies on my web app. ... HTML5, that would be ideal. See Question&Answers more detail:os...

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

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203 views

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javascript - Using "this" with jQuery Selectors

I have some HTML that looks like this: <ul class="faq"> <li class="open"> <a class="question" href ... appropriate means to make that happen. 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 - window.location() not working, not opening page

I have a submit button with a onClick: <div id="messageDiv"> <form> <textarea name="message" rows="10" cols=" ... with a mailid it works 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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javascript - How to determine if a function has been called without setting global variable

I am looking for a good technique to get away from what I am tempted to do: to set a global variable. The first ... example of a way to do this. 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 - NPM ELIFECYCLE error - using node server.js command

I am deploying test-bot on ibm watson as described here https://github.com/eciggaar/text-bot and ... _logs2017-06-29T13_36_22_995Z-debug.log See Question&Answers more detail:os...

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

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556 views

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javascript - $viewContentLoaded isn't firing

$viewContentLoaded never fires in my Angular controller. The following: function MyController($scope) { $scope.$on(' ... would cause this? See Question&Answers more detail:os...

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

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246 views

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javascript - Display value in jQueryUI ProgressBar

I've set up a simple jQuery UI ProgressBar: <script type="text/javascript"> $(function() { $("#progressbar"). ... (e.g. color, alignment)? 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 use create-react-app with an older React version?

When using create-react-app with custom-react-scripts I always end up with React 16 (latest) installed. Is ... older version, like React 15? See Question&Answers more detail:os...

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

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451 views

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javascript - React Native - navigation issue "undefined is not an object (this.props.navigation.navigate)"

Im following this tutorial https://reactnavigation.org/docs/intro/ and im running into a bit of issues. Im using the ... ', () => SimpleApp); See Question&Answers more detail:os...

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

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639 views

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javascript - How do I change the default cursor in leaflet maps?

I am trying to modify the default cursor icon when a certain control button is pressed. Although I was partially ... '..custom.png'); } See Question&Answers more detail:os...

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

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255 views

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javascript - Overriding control+s (save functionality) in browser

I am trying to override the browser save shortcut i.e(cntrl + s) to give the functionality of save in my ... object . Thanks in Advance Trax See Question&Answers more detail:os...

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

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276 views

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javascript - AngularJS : ng-include and ng-controller

I have an app which I am building with angular, I have about 8-10 views to build out. All the views have a ... ; Thank you very much 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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325 views

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javascript - Simplest way to disable button on submission of a form?

I've been trying to find the "right" way to prevent double submits of forms. There are lots of related posts ... there must be a simpler way. See Question&Answers more detail:os...

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

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942 views

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javascript - How can I ignore a file pattern for Jest code coverage?

In my Jest tested project I have *.entity.ts files. I don't want these files to be included in my ... "coverageDirectory": "../coverage" } See Question&Answers more detail:os...

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

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1.0k views

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javascript - TypeScript Unexpected token, A constructor, method, accessor or property was expected

Just trying to write a function within a class using typescript. class Test { function add(x: number, y: ... missing something? I'm confused! See Question&Answers more detail:os...

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

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206 views

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javascript - Creating an SVG DOM element from a String

How would I go about creating an SVG DOM element from a String? Example: var svgStr = '<svg width="500" height="400" ... "#995757"/></g></svg>'; 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

1 answer

javascript - How to get table cell at specified index using jQuery

I know that I can get first or last table cell (e.g. for last row) using jQuery expression like below: first cell: ... :last td:[2]') ? Regards. See Question&Answers more detail:os...

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

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392 views

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javascript - Can async/await be used in constructors?

As the question stated. Will I be allowed to do this: class MyClass { async constructor(){ return new Promise() } } See Question&Answers more detail:os...

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

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352 views

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javascript - Can async/await be used in constructors?

As the question stated. Will I be allowed to do this: class MyClass { async constructor(){ return new Promise() } } See Question&Answers more detail:os...

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

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327 views

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javascript - Currency validation

Please help with me writing a JavaScript Validation for currency/money field. So please provide any regular ... , along with numbers. See Question&Answers more detail:os...

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

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360 views

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javascript - How to set JSX files default to Babel text highlighting in sublime

I have a babel text highlighting that i added in my sublime. However every time I open a new react project ... is by default set to javascript. See Question&Answers more detail:os...

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

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252 views

1 answer

javascript - Angularjs radio buttons

I know that this has been spoken about in some Google Threads but I still can't find the right solution ... loosing data-binding? 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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198 views

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javascript - react-router : run is not a function

A Egghead tutorial teaches it like this: var React = require('react'); var Router = require('react-router') ... -router to the recent version. See Question&Answers more detail:os...

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

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173 views

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javascript - Get an object from array which contains a specific value

I am trying to search through an array of objects using Underscore.js, but I can't seem to target the ... possible to get it using Underscore? See Question&Answers more detail:os...

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

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