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asifvora/masks.js

Created March 15, 2019 05:44
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  1. asifvora created this gist Mar 15, 2019.
    3 changes: 3 additions & 0 deletions masks.js
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,3 @@
    const mask = (str, maskChar = "#") => str.slice(-4).padStart(str.length, maskChar);

    mask("123456789"); // "#####6789"