数组

  1. // Array
  2. let nums: number[] = [1,2,3]
  3. nums.push(4)
  5. let strarray: Array<string> = ['abc']
  6. strarray.push('a')

元组

  1. // tuple
  3. let numstuple: [number,string] = [0,'a']
  4. numstuple = [1,'a'];