How to deal with dirty side effects in your pure functional JavaScript
How to deal with dirty side effects in your pure functional JavaScript So, you’ve begun to dabble in functional programming. Once you’ve started, it won’t be long before you come across pure functions. And, as you go on, you will discover that functional programmers appear to be obsessed with them. “Pure functions let you reason about your code,†they say. “Pure functions are less likely to start
Proxy - JavaScript | MDN
This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2016. Learn moreSee full compatibilityReport feedback The Proxy object enables you to create a proxy for another object, which can intercept and redefine fundamental operations for that object. The Proxy object allows you to create an object that can be used in p
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User-centric performance metrics  | Articles  | web.dev
User-centric performance metrics Stay organized with collections Save and categorize content based on your preferences. We've all heard how important performance is. But when we talk about performance, and about making websites "fast", what specifically do we mean? The truth is that performance is relative: A site might be fast for one user (on a fast network with a powerful device) but slow for a
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目次 2019年追記 ã¯ã˜ã‚㫠クラス実ç¾ã®ãŸã‚ã«å¿…è¦ãª JavaScript ã®è¨€èªžä»•æ§˜ function this call new 演算å prototype ãƒã‚§ãƒ¼ãƒ³ プãƒãƒ‘ティ: prototype Google Closure æµã®ã‚¯ãƒ©ã‚¹ã®å®Ÿç¾æ–¹æ³•ã®æ¦‚è¦ ã‚¯ãƒ©ã‚¹ã®å®£è¨€ã¨ã‚³ãƒ³ã‚¹ãƒˆãƒ©ã‚¯ã‚¿ã®å®šç¾© メンãƒå¤‰æ•° (インスタンス変数) メソッド定義ã¨å‘¼ã³å‡ºã— private, protected 継承 プãƒãƒˆã‚¿ã‚¤ãƒ—ãƒã‚§ãƒ¼ãƒ³ã‚’利用ã—ã¦ãƒ¡ã‚½ãƒƒãƒ‰ã‚’親クラスã‹ã‚‰å¼•ã継ã 親クラスã®ã‚³ãƒ³ã‚¹ãƒˆãƒ©ã‚¯ã‚¿ã®å‘¼ã³å‡ºã— メソッドオーãƒãƒ¼ãƒ©ã‚¤ãƒ‰ã¨è¦ªã‚¯ãƒ©ã‚¹ã®ãƒ¡ã‚½ãƒƒãƒ‰ã®å‘¼ã³å‡ºã— 多é‡ç¶™æ‰¿ abstract, interface inherits ã®å®Ÿéš›ã®ã‚³ãƒ¼ãƒ‰ 良ããªã„クラス実ç¾æ–¹æ³• ES6 ã®ã‚¯ãƒ©ã‚¹ 2019年追記 ã“ã®è¨˜äº‹ã§ã¯classãŒå°Žå…¥ã•ã‚ŒãŸES6以å‰ã®JavaScriptã§ã©ã®ã‚ˆã†ã«ã‚¯ãƒ©ã‚¹ã«ç›¸å½“ã™ã‚‹ã‚‚ã®ã‚’
How do I include a JavaScript file in another JavaScript file?
The old versions of JavaScript had no import, include, or require, so many different approaches to this problem have been developed. But since 2015 (ES6), JavaScript has had the ES6 modules standard to import modules in Node.js, which is also supported by most modern browsers. For compatibility with older browsers, build tools like Webpack and Rollup and/or transpilation tools like Babel can be us
What is the most efficient way to deep clone an object in JavaScript?
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var functionName = function() {} vs function functionName() {}
I've recently started maintaining someone else's JavaScript code. I'm fixing bugs, adding features and also trying to tidy up the code and make it more consistent. The previous developer used two ways of declaring functions and I can't work out if there is a reason behind it or not. The two ways are: var functionOne = function() { // Some code }; And, function functionTwo() { // Some code } What a
Falcor: One Model Everywhere
One Model Everywhere Falcor lets you represent all your remote data sources as a single domain model via a virtual JSON graph. You code the same way no matter where the data is, whether in memory on the client or over the network on the server. The Data is the API A JavaScript-like path syntax makes it easy to access as much or as little data as you want, when you want it. You retrieve your data u
Browserify
Browsers don't have the require method defined, but Node.js does. With Browserify you can write code that uses require in the same way that you would use it in Node. Here is a tutorial on how to use Browserify on the command line to bundle up a simple file called main.js along with all of its dependencies:
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VPN What is VPN and why do you need it?VPN, or Virtual Private Network, is a technology that allows you to create a secure and private connection to the internet. With VPN, you can protect your online activities from prying eyes and access the internet with greater freedom and privacy. Learn more about VPN and why it’s essential in today’s digital world. Get Secure Now: The Honest VPN Rating Site
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Which "href" value should I use for JavaScript links, "#" or "javascript:void(0)"?
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GitHub - benhmoore/Knwl: Find Dates, Places, Times, and More. A .js library for parsing text for specific information.
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GitHub - immutable-js/immutable-js: Immutable persistent data collections for Javascript which increase efficiency and simplicity.
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GitHub - bolshchikov/js-must-watch: Must-watch videos about javascript
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