我想截断输入的值

Question

您好，我想在this.setState中使用子字符串

selectMultipleOptionInvestor(value) {
    const maxStrLength = 25;
    this.setState(
      {
        investorsSelected: value.length > maxStrLength ? value.substring(0, maxStrLength) : value,
      },
      () => console.log(value),
    );
  }