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版本号排序(2023美团暑期实习一面) #494
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arr.sort((a, b) => {
let i = 0;
const arr1 = a.split(".");
const arr2 = b.split(".");
while (true) {
const s1 = arr1[i];
const s2 = arr2[i];
i++;
if (s1 === undefined || s2 === undefined) {
return arr2.length - arr1.length;
}
if (s1 === s2) continue;
return s2 - s1;
}
});
console.log(arr); |
const versions = ["0.1.1", "2.3.3", "0.302.1", "4.2", "4.3.5", "4.3.4.5"];
versions.sort((a, b) => {
const arr1 = a.split(".").map(Number);
const arr2 = b.split(".").map(Number);
const length = arr1.length > arr2.length ? arr1.length : arr2.length;
for (let i = 0; i < length; i++) {
const item1 = arr1[i] || 0;
const item2 = arr2[i] || 0;
if (item1 === item2) continue;
return item2 - item1;
}
});
console.log(versions); |
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有一组版本号如下['0.1.1', '2.3.3', '0.302.1', '4.2', '4.3.5', '4.3.4.5']。现在需要对其进行排序,排序的结果为 ['4.3.5','4.3.4.5','2.3.3','0.302.1','0.1.1']
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