constobj={0:'a',1:'b',2:'c'};console.log(Object.entries(obj));//[['0','a'],['1','b'],['2','c']]entries将{0:'a',1:'b',2:'c'};变成[['0','a'],['1','b'],['2','c']]那如何将[['0','a'],['1','b'],['2','c']]变成{0:'a',1:'b',2:'c'};
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