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How to randomly sort js array

不言
不言Original
2018-07-09 17:11:311877browse

This article mainly introduces the method of random sorting of js arrays, which has certain reference value. Now I share it with everyone. Friends in need can refer to it.

Method 1:

        function getRandomInt(min, max) {          return Math.floor(Math.random() * (max - min + 1) + min)
        }

        function shuffle(arr) {
          let _arr = arr.slice()          for (let i = 0; i < _arr.length; i++) {
            let j = getRandomInt(0, i)
            let t = _arr[i]
            _arr[i] = _arr[j]
            _arr[j] = t
          }          return _arr
        }
        console.log(shuffle([11,22,33,4,5,6]))

Method 2:

arr.sort(function(){
            Math.random()>0.5?1:-1
        })

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