Questions tagged [javascript]
JavaScript is a versatile, high-level programming language. It is the programming language in all browsers, and can be used for back-end programming with Node.js. Use this tag for questions regarding vanilla JavaScript; optionally tagged with an ECMAScript version. If you are using a preprocessor such as TypeScript please tag with that too.
9,430 questions
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Sending and receiving TypedArray's in Chromium Web extension messages
This is an alternative approach and follow up dealing with this issue Extension messaging uses base::Value (JSON) serialization but could use WebSerializedScriptValue (structured cloning), closely ...
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Breakout Game as a Bookmarklet in JavaScript
Why I made it
I wanted to experiment with javascript: bookmarklets and see how far a small injected script could go on any site by making a simple injectable game.
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Force Google Translate to translate text between <code....> and </code> tags on my webpage by replacing code with span and revert it after translation
Some browsers were not showing text on my webpage in bold so I put some text that was between <span> tags between ...
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On the absence of protected member concept in javascript
I wanted to create a protected member in a javascript (ES) class but, of course, there is no such concept. So I devised a way that would let me create a member or something that "no one could ...
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Streaming messages for Chrome MV3 Web extensions
Explainer
Problem
No standardized Web Extension API to send or transfer TypedArrays or ArrayBuffers or
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WebSocketStream implementation, JavaScript runtime agnostic
References
WebSocketStream Explained
WebSocketStream API design
Source code
https://github.com/guest271314/websocket-stream-impl
Implementation
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160
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A different way to create HTML elements
I created this module to help with the creation of HTML elements:
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98
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Native Messaging performance test
I put together this Native Messaging performance test to determine based on evidence which programming language, JavaScript engine or runtime, and WebAssembly compiled code is fastest to round trip 1 ...
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SpiderMonkey JavaScript engine Native Messaging host
Native Messaging host using Mozilla SpiderMonkey JavaScript/WebAssembly engine.
Documentations
Chrome Developers
MDN Web Docs
Microsoft Edge Developer documentation
Messaging between the app and ...
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JavaScript program that calculates the sum and difference of a pair of numbers
The goal of the following openprocessing.org JavaScript program is to calculate the sum and difference of a pair of numbers and print the 2 results if they are both positive. I want to do the ...
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A calendar event element
Below is code for a front end calendar event element I have just finished. Though I have been programming in JavaScript for a while, this is the first time I have created a custom class and element, ...
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Fruity Balance GUI Remake
I am new to front end development and thought to recreate the GUI of Fruity Balance just for practice. I would love to hear any advice on best practices. I am also wondering if any improvements could ...
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TCP and UDP sockets in the browser, Part 2: fetch() and WebRTC
A branch of a repository I maintain has a function that can do different things based on the input and expected result, and structure of a particular inner function call.
I can echo 20 MB to and from ...
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How would a more seasoned developer un-quag this quagmire?
I'm looking for suggestions on how this code structure can be improved. It feels like there's a smarter way.
The purpose of the script is to create live stream players if the following conditions are ...
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Program to get all possible words from a set of letters
I wrote this code below to get all possible words for an array containing \$n\$ letters.
The logic of the code is that the letters of the array are mixed up in random positions and checks if this ...
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