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cómo verificar que la propiedad del objeto existe en una matriz de objetos, encontrar propiedades repetidas en javascript

Me gustaría saber cómo comparar el valor del objeto existente en

la matriz de objetos, luego verifique si se repite y devuelva verdadero o falso en javascript

por ejemplo, si el valor del objeto existe en el objeto de matriz de propiedad de mode ,

luego verifique que la propiedad valueid en itemarray tenga duplicados

condiciones a comprobar:

if object has same valueid, mode value is FI/FD(different no duplicates) then return false

if object has same valueid, mode value is SE/SA then return true

if object has same valueid, mode has same/duplicates then return true

 var obj={ service: "SE", sales: "SA", finance: "FI", others: "FD" } var itemarray=[ {name: "nemo", valueid: "abc", mode: "SE" }, {name: "mike", valueid: "xyz", mode: "FI" }, {name: "jim", valueid: "xyz", mode: "FD" }, {name: "jim", valueid: "mno", mode: "SA" } ] Expected Result // same valueid, mode value is FI/FD(different no duplicates) false I tried function checkRepeatedValues(){ const getValues = itemarray.map(elm => elm.valueid); if (itemArray.length !== new Set(getValues).size) { return true; } else { return false; } }
about 4 years ago · Juan Pablo Isaza
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