我对JAVASCRIPT e=非常陌生,正在try 弄清楚如何从对象获得特定的输出.我有这样一件物品:
const data = [
{
Category: "Red",
date: "11/07/2020",
predicted: 10,
actual: 12,
},
{
Category: "Red",
date: "11/08/2020",
predicted: 12,
actual: 13
},
{
Category: "Green",
date: "11/07/2020",
predicted: 14,
actual: 16
},
{
Category: "Green",
date: "11/08/2020",
predicted: 10,
actual: 12
},
]
export default data;
因此,现在我想要获取"Category"中所有唯一级别的列表,并通过console.log显示它们.所以这将是:
Red
Green
这是一款Reaction应用程序,所以我正试着把它放到我的App.js中:
import data from './data';
function App() {
return (
<div className="App">
<LineChart />
</div>
);
}
export default App;
问题还在于,我不知道如何 Select "栏"类别.现在,我只想像这样展示整个对象:
const myArray = Object.values(data);
console.table(myArray);