Recent questions tagged Javascript

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javascript - datepicker date off by one day

The date returned by date picker is off by one day. Is it a problem in my code or is it a bug? The date sent ... M dd yy', new Date(end_date)); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Firebase stop listening onAuthStateChanged

As of version ^3.0.0, I'm having a difficult time removing the auth state change listener. To start the ... but that didn't do anything. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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703 views

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javascript - Touch move getting stuck Ignored attempt to cancel a touchmove

I'm messing around with touch events on a touch slider and I keep getting the following error: Ignored attempt to ... what I am doing wrong. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How can I export all functions from a file in JS?

I'm creating a unit converter, and I want to put all of the conversion functions into their own file. Using ES6 ... file, not within an object. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How do I find out what functions are called when a button is pressed in Chrome Console?

I am trying to teach myself the Google Closure javascript library. I am examining the TreeControl UI widget. How ... /goog/demos/tree/demo.html See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Find all elements whose id begins with a common string

I have a XSL that created multiple elements with the id of "createdOn" plus a $unique-id Example : ... doesn't appear to work. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - JSLint: Using a function before it's defined error

I'm using JSLint to verify most of my external Javascript files, but the largest amount of errors I'm getting is ... to the bottom of the file. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - value of using React.forwardRef vs custom ref prop

I see that React.forwardRef seems to be the sanctioned way of passing a ref to a child functional component, ... forwardRef over a custom prop? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - HTML5 Dynamically create Canvas

Hi there I have a question about dynamically creating a canvas using javascript. I create a canvas like this: ... a canvas using JavaScript? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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423 views

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javascript - moment.js isValid function not working properly

I have this question... I haven't found anything similar and it also seems very strange that nobody had this ... http://jsfiddle.net/vCGAp/145/ See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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707 views

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javascript - ESLint's "no-undef" rule is calling my use of Underscore an undefined variable

I am using Grunt as my Build Tool and ESLint as my linting tool for an app I am working on. I am also ... this figured out, just let me know! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How to 'wait' for two observables in RxJS

In my app i have something like: this._personService.getName(id) .concat(this._documentService.getDocument()) . ... results of each one. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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271 views

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javascript - Call a function on click event in Angular 2

How to declare a function inside a component (typescript) and call it on a click event in Angular 2? Following is the ... called"); }; }]); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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404 views

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javascript - jQuery append() vs appendChild()

Here's some sample code: function addTextNode(){ var newtext = document.createTextNode(" Some text added ... Any real time scenarios? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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278 views

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javascript - How to fill the whole canvas with specific color?

How to fill the whole HTML5 <canvas> with one color. I saw some solutions such as this to change the ... whole canvas with a specific color? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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307 views

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javascript - Prototype equivalent for jQuery live function

I need to bind event listener to all dynamicaly created elements by given css selector. In jQuery, that would ... in Prototype for this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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246 views

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javascript - Multiple Select limit number of selection

I want user to select maximum of only three options from multiple select options. I tried this code so far: ... appearing. How to validate this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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401 views

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javascript - Grey boxes appear in parts of embedded Google Map in modal box

I'm having a problem with embedding a Google Map via the v3 API in a modal box. Grey boxes appear in the map ... I'm soon going mad over it. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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510 views

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javascript - Easy dom manipulation in AngularJS - click a button, then set focus to an input element

I have this angular code: <div class="element-wrapper" ng-repeat="element in elements"> <div class="first- ... it focuses on the input element. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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564 views

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javascript - How to toggle audio play() pause() with one button or link?

I have an audio file that plays when an anchor tag is clicked. If the anchor tag is clicked again, I want the ... ">Click here to hear.</a> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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290 views

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javascript - How to use SimplePagination jquery

I am trying to use simplePagination on my code. (I am developing using MVC4 C#) Let say I have this ... pages and put those items accordingly. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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563 views

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javascript - "Force Reflow" in CSS transitions in Bootstrap

Revising the bootstrap-modal jquery plugin from Twitter's bootstrap I see that they use CSS transitions for the fading ... a bug in browsers? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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652 views

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javascript - How to open Blob URL on Chrome iOS

I'd like to open Blob object in a browser window. This code works everywhere but iOS Chrome (and IE of course ... but it doesn't work either. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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305 views

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javascript - Confused on how a JSONP request works

I am having trouble understanding the details of how a jsonp request works. I have read several sources including ... from a jsonp request? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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352 views

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javascript - How to force input to only allow Alpha Letters?

using jQuery here, however unable to prevent numbers from being typed into the input field http://codepen.io/leongaban ... what I'm doing wrong? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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296 views

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javascript - How to listen for changes to the title element?

In Javascript, is there a technique to listen for changes to the title element? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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303 views

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javascript - How to localize a simple HTML website page in my case?

I am NOT developing any web service application which contain client side and backend server side (like java EE ... flag selection from user? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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605 views

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javascript - Regular Expression - Extract subdomain & domain

I'm trying to form a regular expression (javascript/node.js) which will extract the sub-domain & domain part from ... /#inbox => mail.google.com See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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