javascript - npm start command I am getting syntaxerror: use of const in strict mode -

• when run npm start command getting below error
• i followed below steps in link https://github.com/kriasoft/react-starter-kit/blob/master/docs/getting-started.md
• can tell me how fix it
• providing error below

xxx-namekumar--macbook-pro:myapp xxx-name$ npm start

> @ start /users/xxx-name/desktop/frontend/myapp > babel-node tools/run start  /users/xxx-name/desktop/frontend/myapp/tools/run.js:20   const task = typeof fn.default === 'undefined' ? fn : fn.default;   ^^^^^ syntaxerror: use of const in strict mode.     @ exports.runinthiscontext (vm.js:73:16)     @ module._compile (module.js:443:25)     @ loader (/users/xxx-name/desktop/frontend/myapp/node_modules/babel-cli/node_modules/babel-register/lib/node.js:126:5)     @ object.require.extensions.(anonymous function) [as .js] (/users/xxx-name/desktop/frontend/myapp/node_modules/babel-cli/node_modules/babel-register/lib/node.js:136:7)     @ module.load (module.js:355:32)     @ function.module._load (module.js:310:12)     @ function.module.runmain (module.js:501:10)     @ /users/xxx-name/desktop/frontend/myapp/node_modules/babel-cli/lib/_babel-node.js:161:27     @ object.<anonymous> (/users/xxx-name/desktop/frontend/myapp/node_modules/babel-cli/lib/_babel-node.js:162:7)     @ module._compile (module.js:460:26)  npm err! darwin 14.5.0 npm err! argv "node" "/usr/local/bin/npm" "start" npm err! node v0.12.0 npm err! npm  v2.5.1 npm err! code elifecycle npm err! @ start: `babel-node tools/run start` npm err! exit status 1 npm err!  npm err! failed @ @ start script 'babel-node tools/run start'. npm err! problem  package, npm err! not npm itself. npm err! tell author fails on system: npm err!     babel-node tools/run start npm err! can info via: npm err!     npm owner ls  npm err! there additional logging output above.  npm err! please include following file support request: npm err!     /users/xxx-name/desktop/frontend/myapp/npm-debug.log 

you have syntax error:

syntaxerror: use of const in strict mode. 

do have 'use strict' in code?

what version of node have?

the const , let part of es6 , not enabled default in node.js 0.10 or 0.12.