прошлое значение от родителей в ReactJs
var json = require("json!../languages.json");
var jsonArray = json.languages;
export class SelectLanguage extends React.Component {
state = {
selectedCode: '',
selectedLanguage: jsonArray[0],
}
handleLangChange = () => {
var lang = this.dropdown.value;
this.props.onSelectLanguage(lang);
}
render() {
return (
<div>
<DropdownList ref={(ref) => this.dropdown = ref}
data={jsonArray}
valueField='lang' textField='lang'
caseSensitive={false}
minLength={3}
filter='contains'
onChange={this.handleLangChange} />
</div>
);
}
}
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