Recent questions tagged Javascript

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javascript - What are express.json() and express.urlencoded()?

I cannot find any documentation on express.json() and express.urlencoded(). What do each of them do exactly? 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 - Call method in directive controller from other controller

I have a directive that has its own controller. See the below code: var popdown = angular.module('xModules',[]) ... . How could I achieve 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 - AngularJS: Basic example to use authentication in Single Page Application

I am new to AngularJS and gone through their tutorial and got a feel for it. I have a backend for my ... or resources are very much 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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javascript - What does the JSLint error 'body of a for in should be wrapped in an if statement' mean?

I used JSLint on a JavaScript file of mine. It threw the error: for( ind in evtListeners ) { Problem at ... the prototype. What does this mean? 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 - Google's Imageless Buttons

There have been a few articles recently about Google's new imageless buttons: http://stopdesign.com/ ... create similar button functionality. 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 create an array of object literals in a loop?

I need to create an array of object literals like this: var myColumnDefs = [ {key:"label", sortable:true, ... in each element of the array. 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 and CPU intensive requests

I've started tinkering with Node.js HTTP server and really like to write server side Javascript but something is ... tasks are executed async? 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 can I animate the drawing of text on a web page?

I want to have a web page which has one centered word. I want this word to be drawn with an animation ... ve searched exhaustively with no luck. 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 - Typical AngularJS workflow and project structure (with Python Flask)

I am pretty new to this whole MV* client-side framework frenzy. It doesn't have to be AngularJS, but I ... is an unknown territory for 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 - What is the purpose of backbone.js?

I tried to understand the utility of backbone.js from its site http://documentcloud.github.com/backbone, but ... in writing better 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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javascript - What is the difference between Polymer elements and AngularJS directives?

On the Polymer Getting Started page, we see an example of Polymer in action: <html> <head> <!-- 1. Shim ... in with AngularJS in the future? 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 does .then() chained to Promise.resolve() allow const declaration to be reassigned?

Given that a variable declared with const cannot be reassigned or deleted see Are there constants in JavaScript? ... .error(err.message)); 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 make a button execute a php script?

How to make a html button execute a php script ? I am working on a login system where only one user can ... don't want anything to happen. 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 - Is there a function, like componentWillUnmount, that will fire before the page is refreshed

I want a function, to send a request to a server (don't care about response) before a user refreshes the page. ... any ideas 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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javascript - Google Maps API 3 - zoom not honored

I am trying to develop an HTML page that displays a KML file via Google Maps API. link to the page: http://www ... > <div id="map_canvas"></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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511 views

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javascript - Ionic 4 Events not working in device but working on browser

I'm using "@ionic/angular": "^4.11.10" I'm trying to display the tabs in ion-tabs in ion-tab ... provide any insight into accomplishing 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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javascript - How to implement SVG's preserveAspectRatio="xMinYMin slice" for canvas drawImage method.

Is there a workaround for implement SVG's preserveAspectRatio="xMinYMin slice" for drawImage() method in 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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javascript - How to dynamicly pass data to select list?

I need to dynamicly pass data to my select list with jquery. I see that data in console but my list is empty. ... { @class = "form-control" }) See Question&Answers more detail:os...

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

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422 views

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javascript - Component won't update when a redux state change occurs

case 'ADD_TO_CART': { let item = action.payload; let newState = addToCart(state, item); return newState; } ... any solution for this please? 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 - Shorthand for Object.create() with multiple properties

If I want to create an object in JavaScript that has a prototype link to another object, but has several of ... object1 as it's prototype 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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475 views

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javascript - Google Apps Script HTML Form

I have a simple html form with email sending this is the html file: <!DOCTYPE html> <html> <head> <base target="_top ... ></p> </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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javascript - Why can I not pass a function call (rather than a function reference or an anonymous function) to setTimeout()?

Please ignore the fact that this code achieves nothing and apologies for what's probably an inane question! I ... ; Result: Andy Ross David See Question&Answers more detail:os...

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

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424 views

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javascript - many elements of a listbox to another

This is the first time I use this medium to ask for help. I wanted to know how , in my code , include two ... > </section> </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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454 views

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javascript - Run custom code after jQuery has been loaded via Modernizr

I'm in the process of developing a new site and have decided to use Modernizr for the first time. I' ... pointers would be greatly 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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384 views

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javascript - Body animation isn't smooth

The "spaceShip" in the following code isn't moving smoothly at the beginning of holding any arrow key down. It ... seem to make much sense)? See Question&Answers more detail:os...

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

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559 views

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javascript - Update Array in React

I am coming from Angular 1.x and looking to update an unordered list with React / Redux. In console.log, I am seeing the ... })} </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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506 views

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javascript - Discord.js bot responds when mentioned

I'm trying to make my discord.js bot send a message when it is pinged. I was unsure how to do this so I ... can you show me how to do 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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javascript - Mocking dayjs extend

In my code that needs testing I use import dayjs from 'dayjs'; import utc from 'dayjs/plugin/utc'; dayjs ... both default dayjs but also extend? See Question&Answers more detail:os...

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

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