Karol
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Karol
let arr = new Array(5); for (let i = 0; i < arr.length; i++) { let num = genNum(); arr[i] = num; } function genNum() { let num = Math.floor(Math.random()...
`const list = [{ id: '1', name: '广东省', children: [{ id: '11', name: '深圳市', children: [{ id: '111', name: '南山区' }, { id: '112', name: '福田区' } ] }] }]...