medsciJs
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medsciJs
var arr = ['A1', 'A2', 'B1', 'B2', 'C1', 'C2', 'D1', 'D2']; var arr2 = ['A', 'B', 'C', 'D']; arr2 = arr2.map(res => { return res + '3' }) console.log(arr2.concat(arr).sort().map(item =>...
new PromiseM((res, rej) => { setTimeout(() => { rej() },0) }).then(function(){ console.log(111) }, function(){ console.log(222); }) //111
还是你够秀