PHP
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发表于 5年以前
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阅读量：8289
const arr = [{ id: 1, name: 'jack' },{ id: 2, name: 'may' },{ id: 3, name: 'shawn' },{ id: 4, name: 'tony' }]
const arr1 = Math.max.apply(Math, arr.map(item => { return item.id }))
const arr2 = arr.sort((a, b) => { return b.id - a.id })[0].id
console.log(arr1) // 4
console.log(arr2) // 4