在浏览器的Console会报错的写法
console.log('123')
['province', 'city', 'town', 'district'].map((e, i) => {
console.log('456')
})
开启【保存后自动格式化】
console.log('123')['province', 'city', 'town', 'district'].map((e, i) => {
console.log('456')
})
[Vue warn]: Error in v-on handler: "TypeError: Cannot read property 'district' of undefined"
不报错的写法
const arr = ['province', 'city', 'town', 'district']
console.log('123')
arr.map((e, i) => {
console.log('456')
})
console.log('123');
['province', 'city', 'town', 'district'].map((e, i) => {
console.log('456')
})
2 个回复
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加个分号
DCloud_HB_WDL
console.log加个分号就行了。