JavaScrip自动生成随机题目

JavaScript可以使用内置的Math对象和一些基本的数学函数来自动生成随机题目。例如，你可以创建一个用于生成加减乘除运算的随机数题目。下面是一个简单的例子：

function generateRandomArithmeticQuestion() {
    // 随机选择操作符
    const operators = ['+', '-', '*', '/'];
    const operator = operators[Math.floor(Math.random() * operators.length)];

    // 随机生成两个0到100之间的整数作为数字
    const num1 = Math.floor(Math.random() * 100) + 1;
    const num2 = Math.floor(Math.random() * 100) + 1;

    let question;
    if (operator === '+') {
        question = `${num1} ${operator} ${num2}`;
    } else if (operator === '-') {
        question = `计算 ${num1} ${operator} ${num2}`;
    } else if (operator === '*') {
        question = `${num1} ${operator} ${num2} = ?`;
    } else { // '/' 的情况需要避免除以零
        while (num2 === 0) {
            num2 = Math.floor(Math.random() * 100) + 1;
        }
        question = `${num1} ${operator} ${num2} = ?`;
    }

    return question;
}

// 使用示例
const randomQuestion = generateRandomArithmeticQuestion();
console.log(randomQuestion);