Recent questions tagged Javascript

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javascript - Angular 2 select option (dropdown) - how to get the value on change so it can be used in a function?

I am trying to build a drop down with a few values. However, on selecting a value, I want to make ... my function getPhotosByType(id). 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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javascript - How to get height of <div> in px dimension

I have used jQuery library to find out height of a div. Below is my div element with attributes : <DIV id= ... want the result in px dimension. 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 - Compare JSON and BSON

I am comparing JSON and BSON for serializing objects. These objects contain several arrays of a large ... !362&authkey=!AKU-ZZp8C_0gcR0 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 create a HTML Cancel button that redirects to a URL

I am playing with the Buttons in the w3schools Tryit editor, and I am trying to figure out how to make my browser ... ;">Cancel</button> </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 - jQuery deserialize form

I am using jQuery Serialize to serialize my form elements and would like to deserialize them back. ... deserializer, any suggestions? See Question&Answers more detail:os...

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

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241 views

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javascript - React useEffect Hook when only one of the effect's deps changes, but not the others

I have a functional component using Hooks: function Component(props) { const [ items, setItems ] = useState([]); ... you, please point it out. 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 - Write results into a file using CasperJS

How do I create a file in the file system and place the contents of this.getPageContent() inside it? 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 - Google Maps v3 - How to center using an address on initialize?

Using Google Maps API v3, is there a way to set the center of the map on initialize? I have a workaround ... for every map: center and zoom. 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 replace elements in array with elements of another array

I want to replace elements in some array from 0 element, with elements of another array with variable length. Like ... Is there some better way? 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 move a marker in Google Maps API

I'm using the Google Maps API V3 and I'm trying to make a marker move across the screen. Here's what I have: ... might be a JS error on my part. See Question&Answers more detail:os...

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

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263 views

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javascript - Split string into array of equal length strings

I have a string that I need split into smaller strings with an equal length of 6. I tried using: ' ... "", "stuvwx", ""] 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 retrieve data from Firebase Database?

I'm trying to create a simple program that takes name, mobile number and email address from user and then puts ... : database.child().child(); 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 can I use js eval to return a value?

I need to evaluate a custom function passed from the server as a string. It's all part of a complicated json I ... Any way I can achieve this ? See Question&Answers more detail:os...

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

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142 views

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javascript - Why is this simple AngularJS ng-show not working?

I cannot figure out why my simple AngularJS app not working as intended. "Loading..." is supposed to be hidden, and " ... = false; }, 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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153 views

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javascript - http get NodeJS how to get error status code?

OK, I must be dense since I cannot find anywhere how to get the error status codes when using Node.JS http. ... , it never gets called. 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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348 views

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javascript - Efficient regex for Canadian postal code function

var regex = /[A-Za-z]d[A-Za-z] ?d[A-Za-z]d/; var match = regex.exec(value); if (match){ if ... . Is there a regex, or more efficient method? See Question&Answers more detail:os...

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

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319 views

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javascript - Handling click events in Google Maps JS API v3 while ignoring double clicks

With the Google Maps JS API v3, I want to drop a marker where the user clicks on the map, while keeping ... elegant way to handle this? 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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126 views

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javascript - Removing [ts] errors from JS files In VS Code

I get these TypeScript errors VS Code while I'm working in JS files. Is there anything I can do to disable ... The error can been seen 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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149 views

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javascript - Node.js Spawn vs. Execute

In an online training video I am watching to learn Node, the narrator says that "spawn is better for longer ... know which one to use? See Question&Answers more detail:os...

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

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204 views

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javascript - Styling JQuery UI Autocomplete

Fiddle I'm trying to style the sections inside the AutoComplete, but I don't know what to put in the CSS ... solid #454545; Any suggestions??? See Question&Answers more detail:os...

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

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135 views

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javascript - jQuery on() method on multiple selectors

Since version 1.7 live is deprecated. Following example is easy to make compatible with new on method: $('nav li, #sb-nav ... ) { // code... }); See Question&Answers more detail:os...

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

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296 views

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javascript - How to add a query to a webpack loader with multiple loaders?

I have this Babel loader that's working { test: /.jsx?$/, loader: 'babel', query: babelSettings, exclude: / ... want to disable it } }; } See Question&Answers more detail:os...

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

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371 views

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javascript - dropzone.js - how to do something after ALL files are uploaded

I am using dropzone.js for my drag-drop file upload solution. I am stuck at something where I need to call ... after all the files are uploaded? See Question&Answers more detail:os...

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

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211 views

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javascript - Storing non-state variables in functional components

Below are two React Components that do almost the same thing. One is a function; the other is a class. Each Component ... return <View />; } } See Question&Answers more detail:os...

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

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165 views

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javascript - get all the elements of a particular form

function getInputElements() { var inputs = document.getElementsByTagName("input"); } The above code gets all ... form using plain 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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255 views

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javascript - Synchronous Requests in Node.js

How could I make the 'request' module in Node.js load things in a synchronous fashion? The best advice I've ... and before loop advances */ } See Question&Answers more detail:os...

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

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120 views

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javascript - What is the correct way to check if a global variable exists?

JSLint is not passing this as a valid code: /* global someVar: false */ if (typeof someVar === "undefined") { ... "; } What is the correct way? See Question&Answers more detail:os...

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

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189 views

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javascript - JSHint "Possible strict violation." when using `bind`

Consider this simple code: "use strict"; var obj = { f: function() { this.prop = 'value'; g.bind( this )( ... way for JSHint to let me do this? See Question&Answers more detail:os...

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

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