. 4.Optional Chaining Operator. The optional chaining ?. BigInt. Become a caniuse Patron to support the site for only $1/month! ，可用 obj.prop(path) 代替。 ⭐️ the variable before ?. github-wc-polyfill. GitHub - tc39/proposal-optional-chaining Optional chaining . 22 - Prototypes 23 - Class Basics Optional chaining in vanilla JS | Go Make Things My project was created with Vue-Cli 3 and migrated to 4. This means you will not pay the price for one of your dependencies that inadvertently import a polyfill for one of these APIs. in your chain. Optional chaining is a browser-native way to chain methods or properties, and conditionally continue down the chain if the value is not null or undefined. Support via Patreon. mkdir babel-test cd babel-test npm init -y mkdir src dist npm install --save-dev @babel/core @babel/cli @babel/preset-env npm install --save @babel/polyfill Add the following to your package.json. boolean, defaults to false. I played around and experimented with a few different solutions but I couldn't get it to work. ECMAScript 2016+ compatibility table - GitHub Pages The costs of Optional Chaining. - DEV Community Using Promise.prototype.finally() in TypeScript - Marius Schulz New Features Not to Miss - Teravision Technologies Solved babel eslint Support Optional Chaining 04 - Enhanced Object Literals. im trying to get babel-plugin-syntax-optional-chaining working, my nuxt.config.js looks like polyfills 是通过在低版本浏览器中模拟等效的代码，来实现高版本语法的行为. Optional chaining How to Clamp Numbers in JavaScript - Webtips Optional Chaining in Javascript via Babel7 | by Jason Child | Medium @babel/plugin-proposal-optional-chaining module.exports; optional chaining operator polyfill; @babel/plugin-proposal-optional-chaining yarn add; plugin-proposal-optional-chaining babel minimum version; @babel/plugin-proposal-optional-chaining already in plugins but errors in build react app; how to use babel optional chaining operator in browserify
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