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    Warning: Map can have non-string values as keys. This will not work if your Map keys are non-stringify-able types themselves : JSON.stringify(Object.fromEntries(new Map([['s', 'r'],[{s:3},'g']]))) becomes '{"s":"r","[object Object]":"g"}'
    – asp47
    Commented Jan 5, 2022 at 22:09