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关于 js let 的疑问

  •   
  •   Fitz · Jan 25, 2019 · 2588 views
    This topic created in 2811 days ago, the information mentioned may be changed or developed.

    为什么 let 会报错 var 却没问题

    let x = x || {}
var y = y || {}
  • Let
  • var
  • 疑问
  • x
    3 replies  •  2019-01-25 14:56:56 +08:00
    Fitz
        3
    Fitz  
    OP
       Jan 25, 2019
    @geshansuiyue
    @kamal
    了解了 谢谢
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