Recent questions tagged JavaScript

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javascript - EaselJS: Can somebody explain the inheritance pattern used in demos?

I'm creating a game using EaselJS, and I'm wondering if somebody can explain how the inheritance pattern used in ... is a little bit vague. 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 - Can you compare multiple variables to see if they all equal the same value in JS?

Working in Javascript, I am trying to see if 5 different variables all contain the same value at a given time. The ... now I've been stuck... 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 - What is the "types first" Flow architecture?

A blog post by the Flow team describes a "re-architecture" of Flow called "types-first". As far as ... implications of the re-architecture. 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 build a tree array into which / out of which items can be spliced, which only allows arrays of 1, 2, 4, 8, 16, or 32 items?

So there is a very elegant answer to a similar problem. The problem there was to build an array tree where every array ... : 4 }, 2) log(tree) See Question&Answers more detail:os...

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

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186 views

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javascript - Angular 2 typescript error when using subscribe function on new router (rc 1)

I am trying to set up authentication for my Angular 2 app with the new router. Someone suggested to try the ... idea what could be the problem? See Question&Answers more detail:os...

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

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171 views

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javascript - how to remove data from a object using chrome storage?

i have an object stored inside chrome storage that looks like this: { "planA": { 123: {key: 'some key'} ... keys, function callback) ant ideas? 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 stop window jumping when typing in autoresizing textarea

I am using the accepted answer to this question to build a textarea that expands vertically as text overflows: <! ... http://jsfiddle.net/CbqFv/ 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 - Sticky Header Flickering on Safari Desktop Only When Anchor Scrolling

I've built a website in Adobe Muse which has a sticky header that appears when scrolling past the logo. ... please offer insight? Thank you. 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 - ES6 promises with timeout interval

I'm trying to convert some of my code to promises, but I can't figure out how to chain a new promise ... doesn't work, nothing is ever printed 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 - Looping setTimeout

I'm currently trying to wrap my head around some JavaScript. What I want is a text to be printed on the screen ... http://jsfiddle.net/JSe3H/1/ 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 - Leaflet Map not showing in bootstrap div

This is a super odd problem that I can not figure out. I have my div with the map and its css ... minimize) then the map refreshes correctly. 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 - animated scrolling script prevents local anchor positions to be accessed from external links

I have a onepager site where I use scrollmagic plus all its necessary plugins/libraries (and jQuery) for different ... from an external source). See Question&Answers more detail:os...

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

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561 views

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javascript - Firebase promise - Query.once failed: Was called with 1 argument. Expects at least 2

I'm trying to fill an array with some data from Firebase using promises. Here's the DB structure: - domain ... DB arrangement fits my needs. See Question&Answers more detail:os...

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

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201 views

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javascript - Apply Rotation to Cylinder based on Tube Ending Normal

I am attempting to make a curved 3D arrow in three.js. To accomplish this task, I have created a Tube ... location Any help is 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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332 views

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javascript - Compiling .hta file to .exe

I have searched far and wide for a way to compile my .hta file (and resources) to a .exe file. There are ... a way to truly hide the source. See Question&Answers more detail:os...

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

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440 views

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javascript - SessionStorage is not empty when link opened in new tab in Internet Explorer

I need to have some unique id on every opened browser tab (in a javascript object). The Id must be saved ... to solve this problem for IE? See Question&Answers more detail:os...

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

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144 views

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javascript - How do I debug a jQuery Ajax request?

My code is: var test = "it isn't working"; var response = $.ajax({ type: 'GET', url: 'jquerydemo.php', / ... 't working". What's going on here? See Question&Answers more detail:os...

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

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410 views

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javascript - IE did not set document.referrer

I observed it closely by debugging in IE that; IE did set document.referrer if I submit form or click any ... IE did not set document.referrer. See Question&Answers more detail:os...

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

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130 views

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javascript - Password Requirements when making an account with Firebase

What are the requirements to avoid throwing the "auth/weak-password" error code on the firebase.auth(). ... not found this info. See Question&Answers more detail:os...

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

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599 views

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javascript - Input = time, How to allow input of only the hour. No minutes or seconds

I want to allow the user to input a time but only allow the input of hours, no minutes or seconds. ... that removes the milliseconds only. See Question&Answers more detail:os...

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

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262 views

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javascript - Set download path

I have a web application that receives a simple text file, but I need this file to be downloaded to a ... application is based on JavaScript. See Question&Answers more detail:os...

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

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273 views

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javascript - Why does console.log() not show inherited properties from Object.create?

I am running into a hangup while trying to leverage Object.defineProperty() on a base object. I want to ... and log the inherited properties? See Question&Answers more detail:os...

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

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246 views

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javascript - How to cycle through siblings using jQuery?

I have the folowing code: html: <div class="container"> <div class="selected">A</div> <div>B</div> < ... . jsFiddle: http://jsfiddle.net/S28uC/ See Question&Answers more detail:os...

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

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289 views

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javascript - Using typeof vs === to check undeclared variable produces different result

If I have an undeclared variable and use typeof it tells me it's undefined. But if I then check it ... it throw a ReferenceError exception? See Question&Answers more detail:os...

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

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345 views

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javascript - How to pass json string to webmethod c# ASP.NET

Im trying to stringify a javascript object and then pass the string as a parameter to a WebMethod in Code Behind ... -page-methods/ Any ideas? See Question&Answers more detail:os...

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

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164 views

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javascript - JQuery.getJSON() reading a local file

How do you read a file in the current directory using JQuery.getJSON()? I'm trying something simple (with my data ... to work in all browsers... See Question&Answers more detail:os...

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

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160 views

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javascript - Pass jQuery dependency to angular js controller

I am using angularjs 1.4, and in one of my angular controller I have to use jQuery. but when I am trying ... please guide what I am doing wrong. See Question&Answers more detail:os...

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

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269 views

1 answer

javascript - How is the nullish coalescing operator (??) different from the logical OR operator (||) in ECMAScript?

ES2020 introduced the nullish coalescing operator (??) which returns the right operand if the left operand is null or ... what is its use case? See Question&Answers more detail:os...

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

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