Can JavaScript connect with MySQL? 浏览器控制台的js采集数据结果持久化存储

  浏览器控制台的js采集数据结果持久化存储

how to open a file in javascript

https://developer.mozilla.org/en-US/docs/Web/API/File

https://stackoverflow.com/questions/6396101/pure-javascript-send-post-data-without-a-form

https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest/Using_XMLHttpRequest