Recent questions tagged JavaScript

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javascript - window.onbeforeunload: Is it possible to get any details about how the window was unloaded?

I'm developing one of those warning windows that tells the user that they may have unsaved data, but I only need it ... from this 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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javascript - Redux: why using Object.assign if it is not perform deep clone?

One core concept in Redux is, states are immutable. However, I saw many examples, including in Redux docs using ... Am I missing something here? 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 get browser "Document Mode"

I am developing some kind of JavaScript library. And i cause the problem that i have some specific issues for: ... in IE? 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 - How can I call a method from a class without instantiating it?

If you look at a framework like cocos2d-x, for example: cc.Sprite.extend(); Sprite here is a class; ... needing to instantiate the class? 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 + Animate.css animation only working once, animation not resetting

I'm trying to reproduce a specific animation each time a button is pressed. Specifically, I'm using jQuery and ... animation-fill-mode: both; } See Question&Answers more detail:os...

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

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884 views

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javascript - Display Text Over SVG Element On Hover

So I have a simple SVG element (copied below), and I want to display text (currently within the data-label ... text within the <rect> element? See Question&Answers more detail:os...

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

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258 views

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javascript - Angularjs form reset

I have a reset function in angular to clear all the fields in a form. If I do something like: <a href="# ... to me why this would be happening? 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 - Insert HTML into a page with AJAX

I am currently developing a website and i need that the pages loads dynamically based on what actions the user ... help me solve this problem. 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 - Webpack error bundle.js:1 Uncaught SyntaxError: Unexpected token <

I running server localhost and get error bundle.js:1 Uncaught SyntaxError: Unexpected token < In output bundle.js is ... react" ] } Thank you. See Question&Answers more detail:os...

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

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268 views

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javascript - Adding something to the top of a JSON object

I have a JSON object which is initiated when the page is loaded, like this: data[foo] = bar; data[foo2] = ... data[foo3] = bar3; 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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296 views

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javascript - Call a function after form reset

Is there a method for me to call a function after click on the reset button in form, and I mean after, so ... Thank you in advance 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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378 views

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javascript - Is it possible to overwrite window.location function with a custom function?

Is it possible to disable, or even better, replace with a custom function, window.location? This question is ... act on this fairly quickly. 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 - how can I show customized error messaged from server side validation in React Admin package?

Is there any way to perform server side form validation using https://github.com/marmelab/react-admin package? ... after success. Any thoughts? See Question&Answers more detail:os...

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

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332 views

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javascript - Creating a DOM NodeList

I'm implementing all of the optional E4X features described in ECMA-357 Annex A and I'm having trouble ... instructions are usually excluded. 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 - Angular.js view doesn't update when nested $scope array is updated

I am trying to make an angular.js view update itself when adding a comment. My code is as follows: <div class="comment ... : el.val() }); }); 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 - JSPDF Custom Font Add not working

CSS Code @font-face { font-family: Calibri; src: url("fonts/calibri.ttf"); font-style: normal; } JS Code doc. ... italic; font-weight: bold; }*/ See Question&Answers more detail:os...

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

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282 views

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javascript - Object internal reference declarations

I'm watching out for a shortcut way to use values from a dictionary as an internal reference inside the dictionary. ... sneaky 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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202 views

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javascript - How to close a progressive web app

Once a pwa is installed a mobile device, how do I close the application like a native app without having the ... course not available on pwa. See Question&Answers more detail:os...

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

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778 views

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javascript - jquery fancybox - prevent close on click outside of fancybox

I'm using the Fancybox plugin for my modal windows. It seems like no matter what options I use I can't prevent ... be working for me. 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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875 views

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javascript - Trigger html5 input datalist dropdown to show up

In an HTML5 <input> element with pre-defined values in a <datalist>, when user either enters a matching value ... value="Safari"> </datalist> 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 - Using jQuery, how do I change the elements html value? (div)

Using a ajax request I want to change content of my div. <div id="d1">202</div> So I want to change the ... ? Do I have to convert to int? See Question&Answers more detail:os...

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

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222 views

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javascript - Sending Json response as String and Integers...

{ "UpdateRequest": { "SAASAS": { "SPO2": "99.00000", "VitalGroupID": "1219", "Temperature": "36. ... formed after i hit submit 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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276 views

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javascript - How to programmatically copy asynchronous dependent content to the clipboard following a click?

I'm trying to programmatically use the execCommand in Chrome (Build 43) to copy the result of an asynchronous JSONP ... on the existing one). See Question&Answers more detail:os...

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

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350 views

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javascript - How to add custom validator to paper-input?

Need to add a custom validator which does some complex validation based on the values of other fields in the html. ... code } }); </script> See Question&Answers more detail:os...

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

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241 views

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javascript - Why does calling Window.scroll() give a trusted event?

I have a Chrome extension that needs to produce human-like mouse and keyboard behavior (specifically, generate events ... generated by a script? See Question&Answers more detail:os...

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

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431 views

1 answer

javascript - count the number of selections in a multiple-select box

I have a multiple selection list which have more than 5 options, and i want to count the number of selection of ... ").count; 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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220 views

1 answer

javascript - How to set mongo field from variable

for(var key in resp.updated_items){ Meteor.users.update({backend_id: Meteor.user().backend_id}, {$set: {'profile': ... 'real' value of key? See Question&Answers more detail:os...

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

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338 views

1 answer

javascript - Picking 2 random elements from array

What is the most efficient way to select 2 unique random elements from an array (ie, make sure the same element ... I extend this to n elements See Question&Answers more detail:os...

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

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