顺序查找

实现

:::details 点击查看代码

function SequenceSearch(array, value) {
    for (let i = 0; i < array.length; i++) {
        if (array[i] == value) {
            return i;
        }
    }
    return -1;
}

function SequenceSearchAll(array, value) {
    const result = [];
    for (let i = 0; i < array.length; i++) {
        if (array[i] == value) {
            result.push(i);
        }
    }
    return result;
}
const array = [10, 20, 30, 40, 20, 50, 60];
console.log(SequenceSearchAll(array, 20));

:::