Recent questions tagged javascript

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javascript - Are nested promises normal in node.js?

The problem I have been struggling with for two weeks now while learning node.js is how to do synchronous programming using ... }); }); }); 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 - AngularJS directive with default options

I'm just starting with angularjs, and am working on converting a few old JQuery plugins to Angular ... interpolate parameter is required. 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 - Remove padding or margins from Google Charts

// Load the Visualization API and the piechart package. google.load('visualization', '1.0', {'packages':[' ... div id="chart_div"></div> 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 - Angular2: Show placeholder image if img src is not valid

Goal: Load an image with a dynamic source. If no image is found, then load a placeholder image ... Angular2 would be greatly appreciated. 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 - Console logging for react?

I'm super new to React and I'm trying to get it set up for Meteor and piecing stuff together from other ... using JSX files instead of js? 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 is indexedDB conceptually different from HTML5 local storage?

Both indexedDB and local storage are key value stores. What is the advantage of having two key/value stores? ... is the point of indexedDB? 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 - Moment.js - tomorrow, today and yesterday

I'd like the moment().fromNow() functionality, but when the date is close it is too precise - ex. I don' ... date difference is more than 1 day 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 and "Organized Code"

I've been struggling lately with understanding the best way to organize jQuery code. I asked another question earlier ... in my other post... 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 make force layout graph in D3.js responsive to screen/browser size

I have a graph using force layout, but it has a fixed width w and height h: var svg = d3 ... attributes with force layout graphs. 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 - WebGL/GLSL - How does a ShaderToy work?

I've been knocking around Shadertoy - https://www.shadertoy.com/ - recently, in an effort to learn more ... anyone explain how Shadertoy works? 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 - ReCaptcha 2.0: enable Submit button on callback if recaptcha successful

I have a very simple form as follows. I want to make it so that the Submit button is disabled, and only enabled ... " value="Submit" > </form> 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 set multiple file entry and output in project with webpack?

How to set multiple file entry/output in project with webpack? I follow http://webpack.github.io/docs/tutorials/getting- ... bundle.js" // } }; See Question&Answers more detail:os...

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

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281 views

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javascript - Getting Lat/Lng from Google marker

I made a Google Maps map with a draggable marker. When the user drags the marker, I need to know the new ... can I retrieve the new coordinates? 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 clear cache in Yarn?

I am doing some benchmark tests for Facebook's Yarn. For this, I need to clear my global Yarn cache. Is ... this seems to be quite manual. 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 - Flask Dynamic data update without reload page

i'm trying to create something like Google Suggest Tool (via suggest api http://suggestqueries.google.com/ ... list dynamically in HTML? See Question&Answers more detail:os...

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

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234 views

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javascript - Mutable variable is accessible from closure. How can I fix this?

I am using Typeahead by twitter. I am running into this warning from Intellij. This is causing the "window.location. ... item; }}(target))}; See Question&Answers more detail:os...

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

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236 views

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javascript - How do I restrict an input to only accept numbers?

I am using ngChange in AngularJS to trigger a custom function that will remove any letters the user adds to the input. ... this. What can I do? 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 - Node.js ES6 classes with require

So up until now, i have created classes and modules in node.js the following way: var fs = require('fs'); ... able to answer these questions :) 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 - Where is the console API for WebKit/Safari?

WebKit/Safari supports the console object, which is similar to what Firebug does. But what exactly is ... documentation for Safari/WebKit? 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 - Multiple files on CDN vs. one file locally

My website uses about 10 third party javascript libraries like jQuery, jQuery UI, prefixfree, a few jQuery plugins ... are explained. Thanks :) See Question&Answers more detail:os...

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

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333 views

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javascript - Safari in ios8 is scrolling screen when fixed elements get focus

In IOS8 Safari there is a new bug with position fixed. If you focus a textarea that is in a fixed panel, safari will ... ></div> </body> </html> See Question&Answers more detail:os...

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

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230 views

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javascript - AngularJS Directive Restrict A vs E

I'm working in a small team, building in AngularJS and trying to maintain some basic standards & best ... choosing say element over attribute? See Question&Answers more detail:os...

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

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452 views

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javascript - How to toggle boolean state of react component?

I'd like to know how to toggle a boolean state of a react component. For instance: I have boolean state check ... this? Many 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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155 views

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javascript - How to set custom favicon in Express?

I recently started working in Node.js and in the app.js file there is this line: app.use(express.favicon()); ... up my own custom favicon.ico? 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 get all input from specific form

Is there any ways to populate all of the input from certain form? let say, some thing like this: <form id=" ... and thank you in advance! AnD See Question&Answers more detail:os...

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

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193 views

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javascript - How to change the text of a label?

I have a radiobutton list and on click on the radio button item I have to change the text of its label. But for some ... ; } }); }); </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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178 views

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javascript - Number of Web Workers Limit

PROBLEM I've discovered that there is a limit on the number of Web Workers that can be spawned by a ... other solutions I should consider? See Question&Answers more detail:os...

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

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197 views

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javascript - how to write setTimeout with params by Coffeescript

Please tell me how to write javascript below in coffeescript. setTimeout(function(){ something(param); }, 1000); See Question&Answers more detail:os...

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

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