Recent questions tagged Javascript

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javascript - Phonegap - Choose Image From Gallery

Can anyone tell me, or point me in the direction of how to get an image from the phone's image gallery ... rather than Java. Thanks in advance! See Question&Answers more detail:os...

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

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306 views

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javascript - Img src path with header params to pass

I have an img tag in jsp page where the src path requires header parameters to pass to get the image. How can we achieve 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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240 views

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javascript - Adding event to element inside Google Maps API InfoWindow

I want to put a form with input field and submit button inside a Google Maps API (v3) InfoWindow. When submitted ... ? Is this a scope issue? See Question&Answers more detail:os...

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

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508 views

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javascript - Downloading file from ajax result using blob

I use this code to download excel file from server. $.ajax({ headers: CLIENT.authorize(), url: '/server/url', ... this and how to avoid 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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579 views

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javascript - Detect pasted text with Ctrl+v or right click -> paste

Using JavaScript how do you to detect what text the user pastes into a textarea? See Question&Answers more detail:os...

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

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147 views

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javascript - Create a table in SVG

I'm trying to create a table-like object within an SVG document. Currently, due to the fact that SVG ... or suggestions would be appreciated. See Question&Answers more detail:os...

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

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432 views

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javascript - Random document from a collection in Mongoose

I want to create a Schema.statics.random function that gets me a random element from the collection. I know ... get it working in Mongoose. See Question&Answers more detail:os...

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

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731 views

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javascript - How to calculate rotation angle from rectangle points?

I have 4 points 1,2,3,4 that closes a rectangle. The points are in a array in this following way: x1 y1 x2 ... .transform = "rotate(?deg)"; } 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 another JS to load to proceed operation?

I have an issue. One of my JS scripts needs Facebook SDK and Twitter widgets JS to load first. Facebook ... sleep because of this issue. 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 - Differentiate click vs mousedown/mouseup

I've read several answers on stackoverflow pertaining to this situation, but none of the solutions are working. ... possible to accomplish 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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279 views

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javascript - Jquery, hide & show list items after nth item

Say I have an unordered list, like so: <ul> <li>One</li> <li>Two</li> <li>Three</li> <li>Four</li> <li> ... Five</li> <li>Show More</li> </ul> See Question&Answers more detail:os...

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

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145 views

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javascript - CORS issue with Vue.js

I'm using: Vue 2.0.3 vue-router 2.0.1 vuex 0.8.2 vue-resource 0.7.0 And after trying to login to my ... calls also if it doesn't work for login. See Question&Answers more detail:os...

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

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546 views

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javascript - document.createElement('script') vs <script src="">

Why is it that services like Google and Facebook use document.createElement('script') instead of just <script>? The ... 't use the HTML5 ones? See Question&Answers more detail:os...

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

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402 views

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javascript - React native - objects are not valid as a React child (found: object with keys {$$typeof, type, key, ref, props, _owner, _store})

I'm new to React Native and I'm getting an error quoted below: Objects are not valid as a React child ( ... fix that issue. Thanks in advance. See Question&Answers more detail:os...

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

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415 views

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javascript - React's setState method with prevState argument

I'm new to React, just have a question on setState method. Let's say we have a component: class MyApp extends React. ... .state.count + 1) })); See Question&Answers more detail:os...

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

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304 views

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javascript - Vue Chart.js - Chart is not updating when data is changing

I'm using Vue.js and Chart.js to draw some charts. Each time I call the function generateChart(), the chart ... .chartData, this.options) } }) See Question&Answers more detail:os...

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

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231 views

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javascript - Polymer 1.0 Global Variables

In Polymer 0.5 the advice on globals was as outlined in this question/answer: Polymer global variables However in ... pattern in Polymer 1.0? See Question&Answers more detail:os...

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

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152 views

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javascript - Can I store RegExp and Function in JSON?

Given a block like this: var foo = { "regexp": /^http:///, "fun": function() {}, } What is a proper way to store it in JSON? See Question&Answers more detail:os...

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

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279 views

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javascript - visibilitychange event is not triggered when switching program/window with ALT+TAB or clicking in taskbar

The problem is with the behaviour of the event "visibilitychange". It's triggered: - When I switch to a ... post. (see accepted answer) See Question&Answers more detail:os...

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

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461 views

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javascript - Is there a callback for cancelling window.onbeforeunload

I don't have an actual use case for this, but I'm curious, whether there is a way to react (callback) ... } } window.onbeforeunload = warning;? See Question&Answers more detail:os...

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

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555 views

1 answer

javascript - Change Text Color of Selected Option in a Select Box

I have a select box. The options have been styled with different colors via a CSS file that has been ... I solve this with 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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232 views

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javascript - How can I pass a parameter to a function without it running right away?

I'm having somewhat of an odd issue with trying to piece together a somewhat dynamic Google Maps display. I have ... I have to hack together... See Question&Answers more detail:os...

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

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152 views

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javascript - How to redirect on another page and pass parameter in url from table?

How to redirect on another page and pass parameter in url from table ? I've created in tornato template something like ... in. How to do 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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300 views

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javascript - Does the jQuery ajax call support PATCH?

When I send this ajax rquest: $.ajax({ headers : { 'Accept' : 'application/json', 'Content-Type' ... localhost left intact Closing connection #0 See Question&Answers more detail:os...

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

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410 views

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javascript - Focus style for TextInput in react-native

In React Native, how do you change the style of a textInput when it gets focus? Say I have something like class ... It seems very verbose to me. See Question&Answers more detail:os...

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

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556 views

1 answer

javascript - Total canvas memory use exceeds the maximum limit (Safari 12)

We are working on a visualization web application which use d3-force to draw a network on a canvas. But now ... frequency) } process(2000,1000) See Question&Answers more detail:os...

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

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182 views

1 answer

javascript - Does MongoDB have a native REST interface?

I am currently evaluating Mongo and CouchDB for storing data points (analytics). During my earlier interaction with ... in Mongo? Thanks! See Question&Answers more detail:os...

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

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175 views

1 answer

javascript - Regular expression for only characters a-z, A-Z

I don't know how to create a regular expression in JavaScript or jQuery. I want to create a regular ... : Online Regular Expression Tester. See Question&Answers more detail:os...

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

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