Javascript 将子节点(超链接)添加到ES6/JSX网页div(导航栏)
我正在尝试使用reactjs/jsx/es6I我不确定哪一个是正确的术语来创建一个网站,它只是一个导航栏,上面有3个链接。这是一个简单的html文件,可以做同样的事情Javascript 将子节点(超链接)添加到ES6/JSX网页div(导航栏),javascript,reactjs,web,ecmascript-6,Javascript,Reactjs,Web,Ecmascript 6,我正在尝试使用reactjs/jsx/es6I我不确定哪一个是正确的术语来创建一个网站,它只是一个导航栏,上面有3个链接。这是一个简单的html文件,可以做同样的事情 <!DOCTYPE html> <html> <head> <meta charset="UTF-8" /> <title>React tutorial</title> <link rel="stylesheet" type=
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<title>React tutorial</title>
<link rel="stylesheet" type="text/css" href="navBar.css">
</head>
<body>
<div id="navBar">
<a link='#About' class="navBarItem">About</a>
<a link='#Publications' class="navBarItem">Publications</a>
<a link='#Contact' class="navBarItem">Contact</a>
</div>
</body>
</html>
1-NavBarItem和NavBar是功能组件,因此不能使用关键字“this”。因为它们不是类,所以您不必引用组件本身
2-在react中,您必须使用classname来设置css类名看起来我在navBar或navBarItem前面还需要一个类似const或var的单词,您将其包含在代码中,但没有显示出来。这仅仅是javascript吗?因为代码的可读性和效率,值不更改的代码的定义为const-way。
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<title>React tutorial</title>
<script src="https://unpkg.com/react@16/umd/react.development.js"></script>
<script src="https://unpkg.com/react-dom@16/umd/react-dom.development.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/babel-core/5.8.2/browser.min.js"></script>
<link rel="stylesheet" type="text/css" href="navBar.css">
</head>
<body>
<div id="navBar"></div>
<script type="text/babel">
NavBar = () => {
return (
<div id="navBar">
<NavBarItem link='#About' text='About'/>
<NavBarItem link='#Publications' text='Publications'/>
<NavBarItem link='#Contact' text='Contact'/>
</div>
)
}
NavBarItem = () => {
return (
<a href={this.props.link} class="navBarItem">{this.props.text}</a>
)
}
ReactDOM.render(
<NavBar />,
document.getElementById('navBar')
)
</script>
</body>
</html>
.navBarItem {
display: inline-block;
width: 31%;
background: #016241;
font-size: 1.5em;
transition: background 1s;
height: 49px;
line-height: 49px;
white-space: nowrap;
text-decoration: none;
color: #FFFFFF;
}
#navBar {
background: #016241;
position: relative;
width: 100%;
display: flex;
align-items: stretch;
flex-direction: row;
height: 49px;
column-count: 3;
justify-content: space-around;
}
const NavBar = (props) => {
return (
<React.Fragment>
<NavBarItem link='#About' text='About'/>
<NavBarItem link='#Publications' text='Publications'/>
<NavBarItem link='#Contact' text='Contact'/>
</React.Fragment>
)
}
const NavBarItem = (props) => {
return (
<a href={props.link} className="navBarItem">{props.text}</a>
)
}