Linux提示SyntaxError: Block-scoped declarations (let, const, function, class) not yet supported outside stric 原因是node版本太低、更新即可 命令如下: 1.npm install -g n 安装n模块专门用来管理node版本的 2.n stable 更新到最新稳定版 重启即可...
SyntaxError: Block-scoped declarations (let, const, function, class) not yet sup ported outside strict mode 报错信息如下图: 解决办法:在文件头添加”javascript 严格模式”声明。 'use strict';
[09:42:27] Finished 'build:electron' after 7.6 μs App threw an error when running [SyntaxError: Block-scoped declarations (let, const, function, class) not yet supported outside strict mode] Owner zalmoxisus commented Mar 10, 2016 Oh, thanks. I broke it in a4846b8 by removing '...
Issue description or question Can't run tests in WebStorm with a configuration file that works flawlessly in VSCode Wallaby.js configuration file module.exports = function (wallaby) { return { files: [ "client/**/*.js*", "server/**/*.js"...
[root@FreeServer~]# webpack-v/usr/local/node-v4.4.7-linux-x64/lib/node_modules/webpack/bin/webpack.js:3letwebpackCliInstalled=false;^^^SyntaxError:Block-scopeddeclarations(let,const,function,class)not yet supported outside strict mode ...
SyntaxError: Block-scoped declarations (let, const, function, class) not yet supported outside strict mode at exports.runInThisContext (vm.js:53:16) at Module._compile (module.js:373:25) at Object.Module._extensions..js (module.js:416:10) ...
letsession=require('express-session');^^^SyntaxError:Block-scopeddeclarations(let,const,function,class)not yet supported outside strict mode at exports.runInThisContext(vm.js:53:16)at Module._compile(module.js:373:25)at Object.Module._extensions..js(module.js:416:10)at Module.load(module.js...
1. General answer : declare in global scope, and initialize in block-scope. - - - 2. Readings Regarding closure, here is David Carroll's pick of 3 readings from beginner to advanced: https://www.sololearn.com/post/45261/?ref=app - - - 3. If you still need specific answer Please sh...
Using let and const in an older browser may show up as something like Block-scoped declarations (let, const, function, class) not yet supported outside strict mode. These problems are particularly nefarious, since things might work perfectly in the developer's browser, while the product breaks...
const is going to be defined by ECMAScript 6, but with different semantics. Similar to variables declared with the let statement, constants declared with const will be block-scoped. ECMAscript has no such feature. However,JavaScript does. The current implementation of const is a Mozilla-specific...