清空数组. JavaScript

清空数组. JavaScript



通过替换新数组来清空数组
JavaScript example code

JavaScript

  Output result
[1, 2, 3]
[]
splice()
JavaScript example code

JavaScript

  Output result
[1, 2, 3]
[]
通过设置长度 0 来清空数组
JavaScript example code

JavaScript

  Output result
[1, 2, 3]
[]


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