我正在使用反应功能组件。当我运行反应时,它会输出此错误"TypeError: Cannot read property 'map' of undefined"
样本数据
const tabData = [{
key: 0,
label: 'Theory',
color: 'primary',
theory: [{
key: 0,
title: 'Analyze one dimensional and two dime',
content: [
'Kinematics',
'Rectilinear motion under constant acceleration',
'Equations of motion',
],
}]
}];
我的功能
{tabData.map((data) => {
return (
<TabPanel value={value} index={data.key}>
<ul index={data.key}>
{data.theory.map((tit) => {
return (<li key={tit.key}>{tit.title}</li>);
})}
</ul>
</TabPanel>
);
})}