JavaScript

资料

问题记录

npm ERR! code ELIFECYCLE

npm cache clean --force
delete node_modules folder
delete package-lock.json file
npm install

基本语法

for循环

for (let i = 0; i < arr.length; ++i)
arr.forEach((v, i) => { /* ... */ })
for (let i in arr)
for (const v of arr)
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