Recent questions tagged Javascript

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javascript - Prepending "http://" to a URL that doesn't already contain "http://"

I have an input field that saves a URL, I'd like this saved input to recognize when "Http//" is ... function that will append if necessary? 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 use requestAnimationFrame?

I'm new to animation, but I have recently created an animation using setTimeout. The FPS was too low, so I ... thorough guide to using this API? See Question&Answers more detail:os...

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

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880 views

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javascript - Failed to execute 'removeChild' on 'Node'

I'm using http://alexgorbatchev.com/SyntaxHighlighter/ to highlight code on my website but sometimes in my log im ... help getting this fixed ? 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 - Including js from raw.github.com

I have a github.com demo page that is linking to https://raw.github.com/.../master/.../file.js so that ... but would still like any feedback :)) 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 - Difference between response.send and response.write in node js

I have written a small API which uses the Node js "restify" framework. This API receives a request (actually ... can explain me the differences. See Question&Answers more detail:os...

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

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333 views

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javascript - Directive is being rendered before promise is resolved

I am having issues getting my directive to render its content only after my promise has been resolved. I ... ) however, returns undefined.. 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 - Express js form data

Can someone please tell me the recommended (up to date) way to get POSTed form data in express. So many ... very simple and small form data 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 - Angular: In which lifecycle hook is input data available to the Component

I have a component which receives an array of image objects as Input data. export class ImageGalleryComponent { @Input( ... </image-gallery> ... 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 - jQuery: Select data attributes that aren't empty?

I'm trying to select all elements that have a data-go-to attribute that is not empty. I've tried $('[data-go- ... on the page if I 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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javascript cut/copy/paste to clipboard: how did Google solve it?

Yes, this question has been asked again and again: how to copy and paste from and to the system clipboard ... has tackled the clipboard problem? See Question&Answers more detail:os...

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

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526 views

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javascript - Three.js cube with different texture on each face

I'm trying to create a three.js cube with different textures on each face. Basically a dice. This is in my ... I could do a fiddle if required See Question&Answers more detail:os...

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

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642 views

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javascript - Detect when input box filled by keyboard and when by barcode scanner.

How I can programmatically detect when text input filled by typing on keyboard and when it filled automatically by bar-code scanner? See Question&Answers more detail:os...

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

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590 views

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javascript - Prevent iOS bounce without disabling scroll ability

I am trying to implement a solution to prevent the iOS bounce effect in Safari for iOS when a web page ... longer is accessible on scroll. See Question&Answers more detail:os...

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

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493 views

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javascript - Calculate FPS in Canvas using requestAnimationFrame

How could I calculate the FPS of a canvas game application? I've seen some examples, but none of them use ... " height="150"></canvas> See Question&Answers more detail:os...

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

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435 views

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javascript - How do I validate a date in this format (yyyy-mm-dd) using jquery?

I am attempting to validate a date in this format: (yyyy-mm-dd). I found this solution but it is in the ... for invalid dates and leap years? See Question&Answers more detail:os...

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

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931 views

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javascript - How to set custom http headers when changing iframe src?

Is there a way to add a custom http header into the request done by an <iframe> when changing the source (src) 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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350 views

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javascript - How do you watch multiple files, but only run task on changed file, in Grunt.js?

In learning how to use grunt, I am trying to make a simple coffee-script watcher/compiler. The problem is, ... the changed file using grunt? See Question&Answers more detail:os...

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

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674 views

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javascript - How to achieve a debounce service on input keyup event in angular2 with rxjs

I am trying to call to a service on input key-up event. The HTML <input placeholder="enter name" (keyup)=' ... the arrow key move. plunkr link See Question&Answers more detail:os...

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

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412 views

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javascript - The Safari Back Button Problem

I do some minor programming and web work for a local community college. Work that includes maintaining a very large ... is somewhat new 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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442 views

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javascript - how Postman send requests? ajax, same origin policy

I have found this very useful Chrome extension called Postman. This is a very useful extension especially when you are into ... ; } } }); }, 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 - Asynchronous constructor

How can I best handle a situation like the following? I have a constructor that takes a while to complete. var ... What other options do I have? See Question&Answers more detail:os...

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

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650 views

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javascript - Jquery Ajax beforeSend and success,error & complete

I have a problem with multiple ajax functions where the beforeSend of the second ajax post is executed before the complete ... ; //--></script> See Question&Answers more detail:os...

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

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325 views

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javascript - How can I draw an image from the HTML5 File API on Canvas?

I would like to draw an image opened with the HTML5 File API on a canvas. In the handleFiles(e) method, I can ... "canvas"/> </body> </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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624 views

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javascript - google.setOnLoadCallback with jQuery $(document).ready(), is it OK to mix?

I'm using Google Ajax API and they suggest I use google.setOnLoadCallback() to do various things related to their API ... 's a matter of scale. See Question&Answers more detail:os...

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

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325 views

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javascript - Add CSS rule via jQuery for future created elements

I have a somewhat unusual issue. I've done something like this many times: $('#selector').css('color','#00f'); ... , I would look into detach(). See Question&Answers more detail:os...

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

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251 views

1 answer

javascript - How do I make an "else" in an IE HTML conditional?

How do I ... ? I want to do an "else" ... See Question&Answers more detail:os...

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

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287 views

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javascript - How to use Vuetify tabs with vue-router

I have the following jsfiddle that has two Vuetify tabs. The documentation doesn't show examples on using vue- ... vue-router with Vuetify tabs? See Question&Answers more detail:os...

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

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342 views

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javascript - Aurelia delegate vs trigger: how do you know when to use delegate or trigger?

I'm trying to learn how to work with the Aurelia framework. In doing so, I was reading the documentation ... manually testing it of course)? See Question&Answers more detail:os...

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

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