我试图迭代存储在商店中的数组。 我得到这个红框错误:can't find variable: city.
这是一个正确的方式来循环reactJS中的数组?找不到变量:x - 通过ReactJS中的数组循环遍历
class CitiesPage extends Component {
render() {
return (
<View>
<Text>Cities Info:</Text>
<div>
{this.props.citiesArr}.map(function(city) {
<li key={city}>{city}</li>
});
</div>
</View>
);
}
}
我的店里面阵列看起来像这样:
const STORE_STATES = {
citiesArr: [
{city:'Rome', population:'34454'},
{city:'Paris', population:'45678'},
{city:'London', population:'2334'},
{city:'Milan', population:'23456'},
{city:'Amsterdam', population:'1234'},
{city:'Dublin', population: '234'},
{city:'Valencia', population: '2345'},
{city:'Ankara', population: '3456'}
]
};
我认为this.props.citiesArr.cities不存在。阵列是城市本身,我错了吗?哦,我看到你现在编辑它。 – avilac