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Cuando almaceno un objeto en una matriz, ¿qué mecanismo funciona aquí?
 let kim={ a:1, b:2 } console.log(kim); let tip=["a","b",kim]; console.log(tip); kim.a=2; console.log(tip); console.log(kim);

producción

 >{a: 1, b: 2} ['a', 'b', {…}]0: "a"1: "b"2: {a: 2, b: 2}:length: 3[[Prototype]]: Array(0) ['a', 'b', {…}]0: "a"1: "b"2: {a: 2, b: 2}length: 3[[Prototype]]: Array(0) {a: 2, b: 2}

suponer

 {a: 1, b: 2} ['a', 'b', {…}]0: "a"1: "b"2: {**a: 1**, b: 2}:length: 3[[Prototype]]: Array(0) ['a', 'b', {…}]0: "a"1: "b"2: {a: 2, b: 2}length: 3[[Prototype]]: Array(0) {a: 2, b: 2}

Kim.a se cambió 1 a 2 después de la impresión de la primera sugerencia, pero la impresión de la primera sugerencia se cambió 2 antes de que cambiara kim.a. ¿Qué mecanismo está en el trabajo aquí?

about 4 years ago · Juan Pablo Isaza
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