# 问题描述

请在下列代码片中，找出globalData的错误使用方法？

## 答案

``` javascript
onLaunch() {
	getApp().globalData.username = 'csdn'
}
```

## 选项

### A

``` javascript
onLaunch() {
	this.globalData.username = 'csdn'
}
```

### B

``` javascript
onLoad() {
	getApp().globalData.username = 'csdn'
}
```

### C

``` javascript
onShow() {
	getApp().globalData.username = 'csdn'
}
```

### D

``` javascript
onHide() {
	getApp().globalData.username = 'csdn'
}
```