# Debug
```html
Clear
```
```js
function log () {
const l = []
for (let i = 0; i < 40; ++i) {
l.push((Math.random()).toString(16))
}
return l.join('\n') + '\n'
}
export default {
data () {
return {
loading: false,
log: log()
}
},
methods: {
clear () {
this.log = ''
},
handleRequireMore (from) {
if (this.loading) return
this.loading = true
setTimeout(() => {
if (from === 'top') {
this.log = log() + this.log
} else if (from === 'bottom') {
this.log = this.log + log()
}
this.loading = false
}, 1000)
}
}
}
```