- const cls = classnames({ selected: selectedIndex === index});
- const ref = selectedIndex === index ? 'selected' : null;
- return <li ref={ref} className={cls} key={index} onClick={this.onSelect}>{item}</li>;
+ const selected = selectedIndex === index;
+ const cls = classnames({
+ [`${prefixCls}-select-option-selected`]: selected,
+ });
+ return <li className={cls} key={index} onClick={this.onSelect.bind(this, +item)}>{item}</li>;