async = async = false? False: true;
async is passed in with a Boolean value. Default true, does not support es6,. Is there an elegant way to write it?
async = async = false? False: true;
async is passed in with a Boolean value. Default true, does not support es6,. Is there an elegant way to write it?
async = async !== falseasync = async = undefined | | async
async = (async = undefined? True: async);
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