build.js

var array = [
    require('./buildIE6'),
    require('./buildIE6Test'),
    // require('./buildIE6Sauce'),

    require('./buildIE9'),
    require('./buildIE9Test')
]
Promise.all(array).then(function() {
    console.log('build complete!!!')
}).catch(function() {
    console.log('build error!!!')
})