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use newer function syntax

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This commit is contained in:
Zeke Sikelianos 2016-10-03 16:40:51 -07:00
parent 253a383168
commit eaeebd3ebd
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37
docs-translations/zh-CN/tutorial/online-offline-events.md
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@ -1,35 +1,36 @@
# 在线/离线事件探测
使用标准 HTML5 APIs 可以实现在线和离线事件的探测，就像以下例子：
*main.js*
```javascript
const electron = require('electron')
const app = electron.app
const BrowserWindow = electron.BrowserWindow
_main.js_
var onlineStatusWindow
app.on('ready', function () {
```javascript
const {app, BrowserWindow} = require('electron')
let onlineStatusWindow
app.on('ready', () => {
onlineStatusWindow = new BrowserWindow({ width: 0, height: 0, show: false })
onlineStatusWindow.loadURL(`file://${__dirname}/online-status.html`)
})
```
*online-status.html*
_online-status.html_
```html
<!DOCTYPE html>
<html>
<body>
<script>
var alertOnlineStatus = function() {
window.alert(navigator.onLine ? 'online' : 'offline');
};
<body>
<script>
const alertOnlineStatus = () => {
window.alert(navigator.onLine ? 'online' : 'offline')
}
window.addEventListener('online', alertOnlineStatus);
window.addEventListener('offline', alertOnlineStatus);
window.addEventListener('online', alertOnlineStatus)
window.addEventListener('offline', alertOnlineStatus)
alertOnlineStatus();
</script>
</body>
alertOnlineStatus()
</script>
</body>
</html>
```