js的hover实现方法。

onMouseEnter={(utils.isiPad() || utils.isPhone()) ? () => { } : () => this.toggleHoverEnter(modules.length, index)}
onMouseLeave={(utils.isiPad() || utils.isPhone()) ? () => { } : () => this.toggleHoverLeave(modules.length, index)}
 
toggleHoverEnter = (length, index) => {
let _num = new Array(length + 1).join(0).split('');
    _num[index] = 1;
    this.setState({
        num: _num
     })
}
toggleHoverLeave = (length, index) => {
let _num = new Array(length + 1).join(0).split('');
    _num[index] = 0;
    this.setState({
        num: _num
     })
}

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转载自www.cnblogs.com/zj911005/p/10838487.html