Recent questions tagged Javascript

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javascript - Is storing jQuery elements in variables more efficient?

Which is more efficient please? var myElement = $("#the-name-of-my-element") myElement.doSomethingOnce; myElement. ... I can for the browser. See Question&Answers more detail:os...

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

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174 views

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javascript - Cannot define prototype properties within ES6 class definition

I was trying ES6 syntax and find I cannot define prototype property or instance property within class defination, why ... with above 2 cases? See Question&Answers more detail:os...

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

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262 views

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javascript - Underscore.js findWhere nested objects

I have an object of folders/files that looks like this: { about.html : { path : './about.html' }, ... need to build a mixin with recursion? 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 - Manual mock not working in with Jest

Can somebody help me with manual mocking in Jest, please? :) I try to have Jest use the mock instead of ... : "mockModuleA" Received: "moduleA" 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 you disable click events from the contextmenu event when using Ctrl+Click in Safari for Mac?

When using ctrl+ click to fire a contextmenu event (Context.JS) in Safari on Mac OS 10.9, the mousedown/up ... : http://jsfiddle.net/gnh2tuyj/ 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 - a is a function, then what `a.call.call` really do?

These codes are run on chrome devtool. It seems like b.call(same as a.call.call) is calling the first ... how <Function>.call.call 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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javascript - Drawing GOOD LOOKING (like in Flash) lines on canvas (HTML5) - possible?

Is there any way to draw a line using javascript and the canvas with "better" antialiasing, like Flash does? ... the antialiasing is done right. 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 - Quick Print HTML5 Canvas

I want to send/print the canvas image directly to the default printer. That means a quick printing. Anyone can ... a hint. Javascript or jQuery. 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 - Integrating image with jQuery AutoComplete

so I'm working on this project where I'm using jQuery autocomplete to display search results from a mysql database. ... 'Location:index'); } ?> 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 - Variable for img src=

I have a question. Firstly, I am not going to pretend that I know what I am talking about here. I am a ... Any help, would be 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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160 views

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javascript - Same origin host, different ports in JS

for the two hosts http://1.com.local/ http://2.com.local:8080/ how can I use document.domain to ... enable DOM-Manipulation in this situation? 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 - jQuery show/hide a div based on select value

I have a select list with values 'all' and 'custom'. On select with value 'custom' a div with class 'resources' ... but I am new with all 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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318 views

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javascript - Highcharts Change Bar Color Based on Value

I'm using Highcharts and was wondering if it was possible to have the top 3 results in a bar chart to have ... Is this possible? Here's 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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942 views

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javascript - Can't build React/Next project - found page without a React Component as default export (context api file)

I'm trying to build my Next.js project but it keeps giving me this error in the terminal: Error: Build optimization ... Is this a bug or what? See Question&Answers more detail:os...

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

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146 views

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javascript - Access window.console after overwrite

Is it possible to somehow access to console.log after it gets overwritten? window.console = { log: ... original console.log functionality? See Question&Answers more detail:os...

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

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180 views

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javascript - JQuery not working with Vuejs

I'm trying to add a JQuery plugin, owl carousel to a list that rendered using Vuejs. HTML <h4>1. Vuejs ... rendered the Vuejs for loop items? See Question&Answers more detail:os...

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

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215 views

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javascript - Extended Errors do not have message or stack trace

When running this snippet through BabelJS: class FooError extends Error { constructor(message) { super(message); } } let ... return E; }()); See Question&Answers more detail:os...

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

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191 views

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javascript - Spin icon freezes while loading records

I am trying to load records using breeze. While loading record i am showing spin icon. But somehow spin icon seems to ... 40px" />--> </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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151 views

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javascript - What is the Dojo equivalent to jQuery .live()?

What is the Dojo equivalent to jQuery .live()? http://api.jquery.com/live/ The only solution I found was to ... markup was added to the page. See Question&Answers more detail:os...

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

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220 views

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javascript - Need help understanding the Shadow DOM

Reading through articles and tutorials about the Shadow DOM, I came across a description which confused me a bit: ... and render its contents? See Question&Answers more detail:os...

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

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179 views

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javascript - EcmaScript-6 backward compatibility

I am curious to understand/figure-out if the ECMAScript-6 new-changes will work on the old browsers or not. ... my old-browser-users happy? See Question&Answers more detail:os...

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

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318 views

1 answer

javascript - How to run function of parent window when child window closes?

I have asked this question before and the problem was half solved in the sense I was helped to find out that ... ! Thank you for any 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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738 views

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javascript - Puppeteer console.log - How to look inside JSHandle@object?

I have a React/Redux app that I am testing using Puppeteer. Based on the documentation, I am using the ... and properties inside this 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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376 views

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javascript - Adding more data to Dropzone.js post

So I have my implementation of this tutorial here: http://www.dropzonejs.com/bootstrap.html It is working great, and ... , how would I do 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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249 views

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javascript - How can I make an HTML multiple select act like the control button is held down always

I have a web application I'm working on that requires a HTML multiple select element operates like the control ... of an individual option? See Question&Answers more detail:os...

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

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517 views

1 answer

javascript - Adding canvas inside another canvas: obj.setCoords is not a function( fabric js)

Started using fabric.js and trying to add a canvas inside another canvas, so that the top canvas stays constant ... the mistake in my codes ? 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

1 answer

javascript - Is there a more concise way to initialize empty multidimensional arrays?

I've been trying to find a reasonably concise way to set the dimensions of an empty multidimensional JavaScript ... (JSON.stringify(theArray)); See Question&Answers more detail:os...

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

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122 views

1 answer

javascript - How can i create a promise for the end of playing sound?

I have a simple JavaScript that loads sounds: prefix = 'modules/sounds/'; _sounds = ['nameOfSound','nameOfSound',' ... ); Is that even possible? See Question&Answers more detail:os...

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

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