ES6降级ES5
- cnpm install babel-loader babel-core babel-preset-env --save-dev
此处有个bug,babel-loader版本太高,我又将它降回7.1.4
2.修改webpack.config.js
{
test:/\.js$/,
exclude:/(node_modules|bower_components)/,//排除掉node_module目录
use:{
loader:'babel-loader',
options:{
presets:['env'] //转码规则
}
}
}
babel-polyfill 来提供低版本浏览器中的不支持API
- cnpm install babel-polyfill --save-dev
- 修改webpack.config.js的entry属性
entry: ['babel-polyfill','./src/index.js'],
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