Recent questions tagged Javascript

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Could someone please give me a brief introduction to lexical this? "An arrow function expression (also known as fat ... to the enclosing '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 - Angular Js and google api client.js (gapi)

It took me one day to make it works so I think my experience may be useful from someone. And maybe some others ... to mark anywhere I go wrong. See Question&Answers more detail:os...

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

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341 views

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javascript - Rails flash notice via ajax

Long story short, I have a button. On clicking it, I want an ajax request to be triggered which gets ... contains the table Please help! 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 - Inserting and Querying Date with MongoDB and Nodejs

I need some help finding a record by date in mongodb and nodejs. I add the date to the json object in a ... . What am I doing wrong 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 - Force page zoom at 100% with JS

I created a little game in Canvas, but I have a problem. Some users who have the default zoom set to ... to programatically set the page zoom? See Question&Answers more detail:os...

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

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343 views

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javascript - How to detect line breaks in a text area input?

What is the best way to check the text area value for line breaks and then calculate the number of occurrences ... you for all the suggestions. 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 - Load json from local file with http.get() in angular 2

I'm trying to load a local json with http.get() in angular 2. I tried something, that I found here on ... my json file from the relative path? See Question&Answers more detail:os...

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

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479 views

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javascript - With form validation: why onsubmit="return functionname()" instead of onsubmit="functionname()"?

The question is pretty self-explanatory. I don't understand what the return is doing in the following code: ... ="return somefunction()"> 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 exclude some fields from the document

I have the following simple shema: var userSchema = new Schema({ name : String, age: Number, _creator: Schema. ... 's preferable to make it by 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 - fetch - Missing boundary in multipart/form-data POST

thanks for stopping by. I want to send a new FormData() as the body of a POST request using the fetch api the ... -data" }, body: formData } ) See Question&Answers more detail:os...

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

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421 views

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javascript - Correct way to document open-ended argument functions in JSDoc

Let's say you have something like the following: var someFunc = function() { // do something here with ... doc a variable number of parameters See Question&Answers more detail:os...

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

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387 views

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javascript - Bootstrap modal: close current, open new

I have looked for a while, but I can't find a solution for this. I want the following: Open an URL inside ... can help me. Thanks in advance. See Question&Answers more detail:os...

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

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831 views

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javascript - NodeJs : TypeError: require(...) is not a function

I am trying to require a file and afterwards pass it to a var. I am following this tutorial to create an ... result of console.log(require); See Question&Answers more detail:os...

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

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329 views

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javascript - jQuery duplicate DIV into another DIV

Need some jquery help copying a DIV into another DIV and hoping that this is possible. I have the following HTML: < ... ' div in here </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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693 views

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javascript - How to use Cors anywhere to reverse proxy and add CORS headers

I've been reading for two hours the documentation of this Reverse proxy to add CORS headers, and I'm not able ... need node.js or what 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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400 views

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javascript - AngularJS: open a new browser window, yet still retain scope and controller, and services

I'm writing an angularJS app. In this particular controller, I open a new browser window through the $window.open ... Is this possible 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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288 views

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javascript - Format input value in Angularjs

I'm trying to write a directive that automatically formats a number in the <input> but the the model isn't formatted. Getting ... }); } }; }]); See Question&Answers more detail:os...

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

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376 views

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javascript - html5 display audio currentTime

I would like to display the current time of of an html 5 audio element and the duration of that element. I've ... Any one got 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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450 views

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javascript - HTML5 <audio> playback with fade in and fade out

I'd like to start and stop HTML5 playback in a random position with fade in and fade out periods to smooth ... up the volume with setTimeout()? See Question&Answers more detail:os...

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

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234 views

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javascript - Creating functions dynamically in JS

I am creating the AI engine for a JS game, and it's made of Finite State Machines. I am loading the number of states ... ] = function() { ... }; 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 - How can I preserve lexical scope in TypeScript with a callback function

I have a TypeScript class, with a function that I intend to use as a callback: removeRow(_this:MyClass ... TypeScript, preserving lexical scope? See Question&Answers more detail:os...

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

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371 views

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javascript - A good way to redirect with a POST request?

I need to redirect a user to an external site though a POST request. The only option I figured out is ... form through JavaScript. 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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375 views

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javascript - console.log.apply not working in IE9

Looks like I've re-invented the wheel, but somehow this isn't working in Internet Explorer 9, but does in IE6 ... ? Any other pointers or 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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522 views

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javascript - How to detect Facebook in-app browser?

Have you had any experience in Facebook in-app browser detection? What's the core difference in user agent? I ... from Facebook in-app browser See Question&Answers more detail:os...

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

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285 views

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javascript - JS - window.history - Delete a state

Using the html5 window.history API, I can control the navigation pretty well on my web app. The app currently ... without pushing a new state? See Question&Answers more detail:os...

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

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411 views

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javascript - Saving files locally with electron

I have some template files that contain a few variable strings each, I'd like to build a very simple input ... let Electron save files locally? See Question&Answers more detail:os...

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

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267 views

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javascript - jQuery Validation using the class instead of the name value

I'd like to validate a form using the jquery validate plugin, but I'm unable to use the 'name' value ... add a custom method? Cheers, Matt 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 - ER_NOT_SUPPORTED_AUTH_MODE - MySQL server

Failed to Connect to MySQL DB via MySQL JavaScript Module ? ? ? ? I added a "MySQL" database to my "Node.js" ... *', database : 'foobarDb' }); See Question&Answers more detail:os...

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

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