Recent questions tagged Javascript

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javascript - show validation error messages on submit in angularjs

I have a form which need to show validation error messages if clicked submit. Here is a working plunker <form ... when clicks 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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299 views

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javascript - Running Node.js in apache?

We have an Apache Webserver installed on a machine which also serves pages using Perl. For a project I've decided ... /Perl or Apache/PHP etc.. See Question&Answers more detail:os...

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

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515 views

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javascript - Parsing JSON from XmlHttpRequest.responseJSON

I'm trying to parse a bit.ly JSON response in javascript. I get the JSON via XmlHttpRequest. var req = new ... what is wrong with this code? See Question&Answers more detail:os...

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

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420 views

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javascript - Trim spaces from start and end of string

I am trying to find a way to trim spaces from the start and end of the title string. I was using this, but it doesn' ... ]+$)/g, ''); Any ideas? See Question&Answers more detail:os...

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

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407 views

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javascript - HTML5 Video - Percentage Loaded?

Does anyone know what event or property I need to query in order to get a percentage figure of the amount an ... like the Red Bar on YouTube: See Question&Answers more detail:os...

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

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321 views

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javascript - Google Maps API v3: Custom styles for infowindow

I've tried many of the examples from the google maps reference and from other stackoverflow questions, but I ... instead of the rounded. See Question&Answers more detail:os...

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

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397 views

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javascript - Smooth scroll to specific div on click

What I'm trying to do is make it so that if you click on a button, it scrolls down (smoothly) to a specific ... > <div class="second">Hi</div> See Question&Answers more detail:os...

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

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277 views

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javascript - How to subscribe to an event on a service in Angular2?

I know how to raise an event with the EventEmitter. I can also attach a method to be called if I ... http://plnkr.co/edit/m1x62WoCHpKtx0uLNsIv 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 - Gulp.js task, return on src?

I'm new to gulp and have been looking through example set-ups. Some people have the following structure: gulp.task ... return on the src makes?? See Question&Answers more detail:os...

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

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360 views

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javascript - ES6 immediately invoked arrow function

Why does this work in a Node.js console (tested in 4.1.1 and 5.3.0), but doesn't work in ... a SyntaxError at the immediately-invoking part. 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 - Concat scripts in order with Gulp

Say, for example, you are building a project on Backbone or whatever and you need to load scripts in a certain ... at first but it's great. See Question&Answers more detail:os...

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

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204 views

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javascript - Using PUT/POST/DELETE with JSONP and jQuery

I am working on creating a RESTful API that supports cross-domain requests, JSON/JSONP support, and the main HTTP ... would be helpful, 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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302 views

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javascript - How can I render repeating React elements?

I've written some code to render repeating elements in ReactJS, but I hate how ugly it is. render: function( ... , or some similar approach.) 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 - Where's the connection between index.html and index.js in a Create-React-App application?

I'm starting to play with the Create React App, but I can't understand how the index.js is loaded inside ... the connection? What am I missing? See Question&Answers more detail:os...

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

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405 views

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javascript - Running multiple Node (Express) apps on same port

I have multiple Node applications (build on Express framework). Now I have placed them like this - /var/ ... /app1 localhost/app2 localhost/app3 See Question&Answers more detail:os...

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

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382 views

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javascript - Possible to defer loading of jQuery?

Let's face it, jQuery/jQuery-ui is a heavy download. Google recommends deferred loading of JavaScript to speed up ... an answer. Any thoughts? See Question&Answers more detail:os...

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

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274 views

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javascript - Will async/await block a thread node.js

When async/await used in a node.js function, will it block the node.js thread untill it executes the next line of code ? See Question&Answers more detail:os...

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

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275 views

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javascript - Appending to an object

I have an object that holds alerts and some information about them: var alerts = { 1: { app: 'helloworld', ... the alert onto the alerts 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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279 views

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javascript - Simplest way to detect a pinch

This is a WEB APP not a native app. Please no Objective-C NS commands. So I need to detect 'pinch' ... simple snippet that JUST detects pinch? 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 - How to get just numeric part of CSS property with jQuery?

I need to do a numeric calculation based on CSS properties. However, when I use this to get info: $(this).css(' ... px or % or em or whatever? See Question&Answers more detail:os...

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

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370 views

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javascript - Cloning an Object in Node.js

What is the best way to clone an object in node.js e.g. I want to avoid the situation where: var obj1 = { ... built in that I'm not seeing? See Question&Answers more detail:os...

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

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324 views

1 answer

javascript - How to resize Twitter Bootstrap modal dynamically based on the content

I have database content which has different types of data, such as Youtube videos, Vimeo videos, text, Imgur pictures, etc. ... "> </div> </div> See Question&Answers more detail:os...

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

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245 views

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javascript - Does async programming mean multi-threading?

lets talk about JavaScript code which has setInterval methods every 2 sec. I also have a onblur animation event ... threading language. So...? 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

1 answer

javascript - How to escape a JSON string to have it in a URL?

Using Javascript, I want to generate a link to a page. The parameters to the page are in a Javascript ... to shorten the links afterwards. See Question&Answers more detail:os...

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

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582 views

1 answer

javascript - How to split a string at the first `/` (slash) and surround part of it in a `<span>`?

I want to format this date: <div id="date">23/05/2013</div>. First I want to split the string at the first / and ... + '<br />'; }); </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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580 views

1 answer

javascript - How to detect when facebook's FB.init is complete

The old JS SDK had a function called FB.ensureInit. The new SDK does not seem to have such function... how can I ensure ... (e); }()); </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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299 views

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javascript - Display a loading bar before the entire page is loaded

I would like to display a loading bar before the entire page is loaded. For now, I'm just using a small delay ... won't load/display at 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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242 views

1 answer

javascript - React - getting a component from a DOM element for debugging

For the purposes of debugging in the console, is there any mechanism available in React to use a DOM element ... to get at the component? See Question&Answers more detail:os...

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

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