 
                        运行npm start
提示错误:
npm ERR! Darwin 15.3.0
npm ERR! argv "/usr/local/bin/node" "/usr/local/bin/npm" "start"
npm ERR! node v5.7.1
npm ERR! npm  v3.6.0
npm ERR! missing script: start
npm ERR!
npm ERR! If you need help, you may report this error at:
npm ERR!     <https://github.com/npm/npm/issues>
npm ERR! Please include the following file with any support request:
npm ERR!     /Users/用户名/snapterest/npm-debug.logCopyright 2014-2025 https://www.php.cn/ All Rights Reserved | php.cn | 湘ICP备2023035733号
npm run start或者npm run-script start并且需要在package.json的 scripts 中定义start为字段的命令
你没有写 start 的 script
检查当前目录下的
package.json里的"script"下是否存在"start"这个属性。package.json