56 lines
1.0 KiB
JavaScript
56 lines
1.0 KiB
JavaScript
const data1 = [1, 30, 4, 20, 10]
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data1.sort()
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console.log(data1)
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// arr.sort(
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// function (a, b) {...}
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// )
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const data2 = [1, 30, 4, 20, 10]
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// 升序排列
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data2.sort((a, b) => a - b)
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console.log(data2)
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const data3 = [1, 30, 4, 20, 10]
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// 降序排列
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data3.sort((a, b) => b - a)
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console.log(data3)
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const data4 = [
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{ name: 'zs', age: 28, score: 90 },
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{ name: 'ls', age: 38, score: 70 },
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{ name: 'sb', age: 18, score: 70 }
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]
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data4.sort((a, b) => {
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return a.age - b.age
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})
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console.log(data4)
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data4.sort((a, b) => {
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// 先按分数升序
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let scoreRst = a.score - b.score
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// 如果分数相同
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if (scoreRst == 0)
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// 按年龄降序
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return b.age - a.age
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return scoreRst
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})
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console.log(data4)
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/*
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# node sort.js
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[ 1, 10, 20, 30, 4 ]
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[ 1, 4, 10, 20, 30 ]
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[ 30, 20, 10, 4, 1 ]
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[
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{ name: 'sb', age: 18, score: 70 },
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{ name: 'zs', age: 28, score: 90 },
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{ name: 'ls', age: 38, score: 70 }
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]
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[
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{ name: 'ls', age: 38, score: 70 },
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{ name: 'sb', age: 18, score: 70 },
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{ name: 'zs', age: 28, score: 90 }
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]
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*/
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