控制檯打印的數據展開後發生變化

代碼web var obj = {}; obj.a = 1; console.log(obj); obj.b = 2; console.log(obj); 爲何會出現這個問題呢？svg 鼠標移到感嘆號上：Value below was evaluted just nowcode 解決方法：打印時把對象克隆一份。xml

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