Recent questions tagged Javascript

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javascript - Delete multiple Objects at once on a fabric.js canvas in html5

I'm actually working on a html5 canvas project which uses the fabric.js Framework for the canvas interactions. Now I' ... Don't get my failure. See Question&Answers more detail:os...

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

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266 views

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javascript - Close child window, redirect parent window

I've got a page which opens a child window, from a parent. After the user has done something in the child ... in the child window. Any ideas? See Question&Answers more detail:os...

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

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813 views

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javascript - How to parse multipart/form-data body with Koa?

Because I spent some (too much) time figuring out this simple requirement. I am documenting here the way to ... answer. Hope this helps. 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 - printing div content with css applied

I am working on a project and I want to print div content.The code which I am using is fulfilling my ... am getting by clicking print 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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170 views

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javascript - Capturing all the <a> click event

I am thinking of to add a javascript function to capture all the <a> click events inside a html page. ... like jQuery, just vanilla 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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162 views

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javascript - What is the difference between "undefined" and undefined?

I'm trying this quiz in the Chrome console: Quiz I can explain most of them somewhat after trying them ... there are no multidimensional arrays. 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 - Can't load Bootstrap with RequireJS

I can't seem to figure out how to load Bootstrap via RequireJS. None of the examples that I found worked for ... on how to get this resolved? See Question&Answers more detail:os...

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

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289 views

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javascript - Why a is undefined while b is 3 in var a=b=3?

In the following code, I expected both a and b to be 3. However, a is undefined and b is 3. Why? (function( ... //"undefined" console.log(b);//3 See Question&Answers more detail:os...

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

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244 views

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javascript - How to slide <View/> in and out from the bottom in React Native?

In React Native iOS, I would like to slide in and out of a like in the following picture. In the following ... so? Thank you in advance! EDIT See Question&Answers more detail:os...

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

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275 views

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javascript - Enable Shift-Multiselect in jQuery UI Selectable

I want to enable multiselect capabilities in a jQuery UI Selectable table by holding shift. I probably should do ... }).selectable(...) See Question&Answers more detail:os...

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

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535 views

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javascript - Google Maps v3 - Why is LatLngBounds.contains returning false

I have the following code in which I would expect the contains method to return true, but it returns ... bounds.contains be returning 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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666 views

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javascript - What is the Syntax to get Thymeleaf ${pageContext.request.contextPath}

I have searched hard for a syntax like the JSTL one ${pageContext.request.contextPath}, I did made a ... to call Thymeleaf context path? See Question&Answers more detail:os...

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

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359 views

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javascript - Preventing viewport resize of web page when android soft keyboard is active

I'm developing a Javascript/JQuery plugin for Responsive Web Design. It has a function that monitors the viewport for ... in my case. 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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388 views

1 answer

javascript - Algorithm for Text Wrapping Within a Shape

I am looking for an algorithm to wrap text within a non-rectangular shape, preferably based on the Knuth and ... should be able to generate. See Question&Answers more detail:os...

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

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213 views

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javascript - Custom cursor interaction point - CSS / JQuery

I'm trying to use a custom cursor for an online game, in this case it's a sniper scope. The problem is when I ... this to be a CSS fix. 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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253 views

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javascript - How to check for Route through route name in template with Meteor and Iron Router

What can I use in a template to figure out the route name that is associated with the route that I am ... just need a function to call. See Question&Answers more detail:os...

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

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217 views

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javascript - React.js setting value of input

I am a beginner with react.js and it's amazing but I am facing a real problem: I need to set the value ... React.js to update that value too? See Question&Answers more detail:os...

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

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313 views

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javascript - Child selector using `querySelectorAll` on a DOM collection

Let's presume you got a list with nested child lists. <ul> <li></li> <li> <ul> <li></li> ... doesn't in native querySelectorAll. Any solutions? See Question&Answers more detail:os...

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

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411 views

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javascript - How can I read a local file with Papa Parse?

How can I read a local file with Papa Parse? I have a file locally called challanges.csv, but after many tried ... can I do it with 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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1.1k views

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javascript - Pass a parameter to FileReader onload event

I need to read some csv files, given by the user. Files are passed to the page/script using a drag and ... advance for any help, best 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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198 views

1 answer

javascript - errorClass in jquery validate plugin?

I am using jquery validate plugin in my web application to validate forms for blank and other simple validations. I am ... 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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915 views

1 answer

javascript - Why would I use RxJS interval() or timer() polling instead of window.setInterval()?

Use case: Call a function every minute (60000 ms) that dispatches store action to fetch lastUpdated status of ... and used RxJS elsewhere. See Question&Answers more detail:os...

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

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337 views

1 answer

javascript - Set a breakpoint in XHR in Chrome

I have a page that sends an XHR request when a form is submitted and I would like to get Chrome to ... limitation of Chrome's debugging tools. See Question&Answers more detail:os...

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

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363 views

1 answer

javascript - JQuery .on('click') not working in DataTables 2nd page or rows past 11

I have a jQuery link that runs on a dynamic list for each row when the hyperlink is clicked. This works before ... ').dataTable(); } ); See Question&Answers more detail:os...

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

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221 views

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javascript - Can I pass an array into fromCharCode

I might be asking the wrong question here, so I apologize if the answer is on another thread... but I've ... collect in my array into chars? See Question&Answers more detail:os...

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

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234 views

1 answer

javascript - How to prevent default handling of touch events?

I am trying to do something similar to what embedded Google maps do. My component should ignore single touch (allowing ... or propose a new 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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196 views

1 answer

javascript - jQuery - How to get attribute of an element when using the 'click' event

I'm using jQuery to get a click on an 'a' element. I have a list of those links where each one has a ... get the position I would use e.pageX See Question&Answers more detail:os...

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

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235 views

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javascript - jQuery tabs - getting newly selected index

I've previously used jquery-ui tabs extension to load page fragments via ajax, and to conceal or reveal hidden ... to reload the entire 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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