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firstfu/Node --NaN.js

Created November 29, 2019 05:39
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  1. firstfu created this gist Nov 29, 2019.
    6 changes: 6 additions & 0 deletions Node --NaN.js
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    Original file line number Diff line number Diff line change
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    ## 判断是否为isNaN
    let n1 = NaN
    let n2 = 'NaN'
    console.log(Number.isNaN(n1))
    console.log(Number.isNaN(n2))