我正在尝试渲染在 React 中用无状态功能组件编写的组件.js。 当我尝试渲染下面的代码时,该元素没有显示。React 和 React-Dom 脚本文件已正确插入。
const showMe = () => {
return (
<div className="hi"></div>
)
};
ReactDOM.render(showMe, document.getElementById("target"));
#target {
position:absolute;
left:0;
right:0;
margin:0 auto;
top:50%;
transform:translateY(-50%);
border:1px solid red;
width:600px;
height:500px;
}
.hi {
border:1px solid blue;
position:absolute;
width:50%;
height:40%;
left:0;
right:0;
margin:0 auto;
top:50%;
transform:translateY(-50%);
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/16.6.3/umd/react.production.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/16.6.3/umd/react-dom.production.min.js"></script>
<div id="target">
</div>
const ShowMe = () => {
return (
<div className="hi"></div>
)
};
ReactDOM.render(<ShowMe />, document.getElementById("target"));
#target {
position:absolute;
left:0;
right:0;
margin:0 auto;
top:50%;
transform:translateY(-50%);
border:1px solid red;
width:600px;
height:500px;
}
.hi {
border:1px solid blue;
position:absolute;
width:50%;
height:40%;
left:0;
right:0;
margin:0 auto;
top:50%;
transform:translateY(-50%);
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/16.6.3/umd/react.production.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/16.6.3/umd/react-dom.production.min.js"></script>
<div id="target">
</div>
ReactDOM.render(< ShowMe />, document.getElementById("target"));