TypeScript Êý×鶨Ò巽ʽ

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var arr1:Array<number> = [1,2,3];

var arr2:Array<any> = [];

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var arr3:number[] = [3,4,5,6,7,8];

var arr4:any[] = new Array(5,6,7,8);

ÀàÐÍת»»: var arr5:Array<number> = <number[]>arr4;

();