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Javascript: JSON: Obtener el valor de un campo

Tengo una cadena JSON de la siguiente manera:

`

 var json_string = [ {"ColumnName": "Column1", "Counts": 5, "Percentages": 30}, {"ColumnName": "Column2", "Counts": 10, "Percentages": 20}, {"ColumnName": "Column3", "Counts": 7, "Percentages": 40}, {"ColumnName": "Column4", "Counts": 45, "Percentages": 12}, {"ColumnName": "Column5", "Counts": 32, "Percentages": 32} ]

`

¿Cómo obtengo el valor de los recuentos de Column4?

about 4 years ago · Juan Pablo Isaza
2 answers
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0

Puedes hacerlo así: json_string[3]["Counts"] o json_string.find(a => a.ColumnName === "Column4").Counts;

about 4 years ago · Juan Pablo Isaza Report

0

Puedes hacer algo como esto... Si estás seguro de que Column4 existe

 json_string.filter(a => a.ColumnName === "Column4")[0].Counts;
about 4 years ago · Juan Pablo Isaza Report
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