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Javascript: JSON: Get value of a field

I have a JSON string as follows:

`

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}
]

`

How do I get the value Column4's Counts value?

about 4 years ago · Juan Pablo Isaza

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Answer 1 · 2022-07-05T06:55:57.194Z

You can do it like this: json_string[3]["Counts"] or json_string.find(a => a.ColumnName === "Column4").Counts;

Answer 2 · 2022-07-05T06:55:57.202Z

You can do something like this... If you are sure Column4 exists

json_string.filter(a => a.ColumnName === "Column4")[0].Counts;

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Javascript: JSON: Get value of a field

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Andres GPT