react報錯 TypeError: Cannot read property 'setState' of undefined
代碼以下：html class test extends Component {
constructor(props) {
super(props);
this.state = {
liked: false
};
}
handleClick(event) {
this.setState(
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相關文章
- 1. react報錯 TypeError: Cannot read property 'setState' of undefined
- 2. React中Uncaught TypeError: Cannot read property 'setState' of undefined
- 3. × react報錯：TypeError: Cannot read property ‘render‘ of undefined
- 4. vue報錯："TypeError: Cannot read property 'forEach' of undefined"
- 5. Vue.js報錯—TypeError: Cannot read property 'Name' of undefined
- 6. TypeError: Cannot read property 'key' of undefined
- 7. "TypeError: Cannot read property ‘_wrapper’ of undefined"
- 8. TypeError: Cannot read property 'toString' of undefined
- 9. TypeError: Cannot read property 'gc' of undefined
- 10. TypeError Cannot read property ‘nativeElement’ of undefined