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javascript - 为什么会有一个

问题描述

I am new to react and am running a simple application (following tutorial at https://reactjs.org/tutorial/tutorial.html and modifying code for my own project).

I see a 

<noscript>
You need to enable JavaScript to run this app.
</noscript>

in my HTML, not sure if that is breaking something or why it is there. Any help is appreciated, I can give code samples if necessary but I have no idea where the noscript is coming from

标签： javascriptreactjs

解决方案

这是因为 React 是一个 Javascript 库并且根据w3schools noscript 标签定义

<noscript>如果脚本不受支持或在用户的浏览器中被禁用，则将显示元素内的内容。

该元素可用于<head>和<body>。

在<head>元素内部使用时：<noscript>必须仅包含 <link>、<style>和<meta>元素。

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