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在index.html中添加一个按钮,每按一次从本地读取一次文件:
<button id="btn1">按钮1</button>
修改preload.js:// preload.js
// All of the Node.js APIs are available in the preload process.
// It has the same sandbox as a Chrome extension.
window.addEventListener('DOMCon...点击查看剩余70%


