Recent questions tagged Javascript

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javascript - How to add prefix to array values?

I have an array of values to which I want to add some prefix: var arr = ["1.jpg", "2.jpg", "some.jpg"]; ... "images/2.jpg", "images/some.jpg"]; 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 pass parameters through iframe from parent html?

I have a html page in which I am setting the src for an iframe programmatically. How can I pass parameters ... ', "myIframeRequest.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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445 views

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javascript - Is there a limit on the size of a string in JSON with Node.js?

A section of my Node.js application involves receiving a string as input from the user and storing it in a JSON file ... a .json file using fs. See Question&Answers more detail:os...

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

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363 views

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javascript - Mongoose schema within schema

How can I add a schema to another schema? This doesn't seem to be valid: var UserSchema = new Schema({ ... array but not for single. 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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javascript - Regular Expression to MATCH ALL words in a query, in any order

I'm trying to build a search feature for a project which narrows down items based on a user search input and if it ... in a query, in any order? See Question&Answers more detail:os...

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

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523 views

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javascript - Cordova - refuse to execute inline event handler because it violates the following content Security policy

I'm training for Cordova application development and I turn around a problem with Content Security Policy. My application ... I need it. Jér?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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javascript - Why is pop faster than shift?

Douglas Crockford, in JavaScript: The Good Parts, states that "shift is usually much slower than pop". jsPerf ... pretty much the same thing. 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 check if element exists using Cypress.io

How to check if element is present or not, so that certain steps can be performed if element is present. Else ... in wait Kindly advise. 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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javascript - Node.js Alert Causes Crash

I'm trying to create a node.js app and alert('Sample Alert'); is causing my program to crash. Node says ... I have to use with node.js? See Question&Answers more detail:os...

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

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468 views

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javascript - Issues with Date() when using JSON.stringify() and JSON.parse()

I am trying to calculate the difference between two times using JavaScript. It's just basic math but I seem to have ... there a fix 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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366 views

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javascript - combine dynamic and static classes through css binding, knockout.js

In knockout.js we can use css binding for static classes <div data-bind="css: {'translucent ': number() < 10}"> ... Is there a way to do that? See Question&Answers more detail:os...

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

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359 views

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javascript - How to split a string with angularJS

I wanted to know if I can split a string simply in angularJS. I have my $scope.test = "test1,test2"; in my ... works in my case. thx to all. See Question&Answers more detail:os...

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

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434 views

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javascript - What browsers support the window.postMessage call now?

What are all the browsers that support the window.postMessage call now? I am looking for browsers that support ... not through an iFrame hack. See Question&Answers more detail:os...

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

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468 views

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javascript - "google is not defined" when using Google Maps V3 in Firefox remotely

Here's my conundrum: I have a page that uses Google Maps V3 and jQuery. It all worked well locally in FF5, ... 7, that fails on that page. See Question&Answers more detail:os...

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

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337 views

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javascript - Angular 2 Quickstart: unexpected token <

I am trying to set up angular 2 according the quickstart found at http://angular.io. I have copied every ... Thanks in advance for any help. See Question&Answers more detail:os...

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

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513 views

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javascript - How do I split a string by whitespace and ignoring leading and trailing whitespace into an array of words using a regular expression?

I typically use the following code in JavaScript to split a string by whitespace. "The quick brown fox jumps ... use to accomplish this goal? See Question&Answers more detail:os...

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

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399 views

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javascript - jquery move elements into a random order

I am attempting to display a series of images in a random order. However, I do not want any single item to ... order in which they are selected? See Question&Answers more detail:os...

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

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757 views

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javascript - Download csv file as response on AJAX request

I have an endpoint called '/downloadUserAction' that collects data and downloads a csv file. The challenge ... datatables csv exporting button. See Question&Answers more detail:os...

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

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309 views

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javascript - Why does my canvas go blank after converting to image?

I am trying to convert the canvas element on this page to a png using the following snippet (e.g. enter in ... convert this canvas to a png? See Question&Answers more detail:os...

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

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377 views

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javascript - Submit pdf form fields to a HTTP POST request

I've made a pdf form in Adobe Acrobat. Now I want to make a button that submits the form to a HTTP POST ... I can link to the submit button. See Question&Answers more detail:os...

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

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464 views

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javascript - Enter button does not submit form (IE ONLY) ASP.NET

I have a form with a textbox and a button. IE is the only browser that will not submit the form when ... was saying, and it works perfectly. See Question&Answers more detail:os...

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

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378 views

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javascript - How to set the loudness of HTML5 audio?

In an HTML5 game I'm making, I play a "thud" sound when things collide. However, it is a bit unrealistic. No ... full of new Audio("url")'s. See Question&Answers more detail:os...

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

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291 views

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javascript - Making a window pop under in chrome

I have a button that needs to open a new window as a popup (under the parent page). In IE/Firefox, it ... some reason it isnt working in chrome. See Question&Answers more detail:os...

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

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374 views

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javascript - $getJSON and for loop issue

This is to populate a table with the amount of results that are returned from the MediaWiki API query /api.php? ... using an id within a loop? See Question&Answers more detail:os...

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

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330 views

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javascript - Plotting points on a map with D3

I'm trying to plot a few points onto a map using the D3 geo library based on latitudes and longitudes. However ... obvious I'm doing wrong here? See Question&Answers more detail:os...

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

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463 views

1 answer

javascript - Div opacity based on scrollbar position

Find an example of how to fade out a div when the scroll bar reaches a certain position here. But it's not a ... any way to fix this?? 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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384 views

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javascript - HTML5 audio playlist - how to play a second audio file after the first has ended?

How could we make some audio in html5 play after another one has finished? I have tried with jquery delay() function ... ('500',function(){});? See Question&Answers more detail:os...

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

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488 views

1 answer

javascript - Firebase TypeError: Cannot read property 'val' of undefined

I have tried Firebase cloud function for sending a notification.My project structure and this is the index.js, const ... be happy to provide 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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