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Cómo obtener la clave de json en angular

Cómo obtener la clave "empleado"

{ empleado":{"nombre":"Juan","edad":12}

}

about 4 years ago · Juan Pablo Isaza
2 answers
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0

No se trata de Angular, esto es Javascript simple:

 const obj = { employee:{name:"John",age:12}} const key = Object.keys(obj)[0]
about 4 years ago · Juan Pablo Isaza Report

0

Puede usar forEach para obtener su salida si usa Array Object

 function example1(array){ let res = []; array = [{"ex1":{"name":"John1","age":12}}, {"ex2":{"name":"John2","age":12}}, {"ex3":{"name":"John3","age":12}}] array.forEach((e, idx) => { res.push(Object.keys(e)) }) document.getElementById("ex1").innerHTML = JSON.stringify(res); }
 <input type="button" value="example1" onclick="example1()"> <p id="ex1"></p>

si solo usa un objeto , puede usar For...in para obtener su salida

 function example2(array){ let res = []; obj = {"ex1":{"name":"John1","age":12}, "ex2":{"name":"John2","age":12}, "ex3":{"name":"John3","age":12}} for(var val in obj){ res.push(val) } document.getElementById("ex2").innerHTML = JSON.stringify(res); }
 <input type="button" value="example2" onclick="example2()"> <p id="ex2"></p>

Pero recuerda cuando pones un objeto o una matriz o lo que sea, comprueba si es válido o no. En su objeto no es válido aquí está el formato correcto

 {"employee":{"name":"John","age":12}}
about 4 years ago · Juan Pablo Isaza Report
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