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typescript count array condition
“typescript count array condition” Code Answer
typescript count array condition
typescript by
Elated Eel
on Oct 23 2020
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let data = [ { "id": 1, "is_read": true, }, { "id": 2, "is_read": true, }, { "id": 3, "is_read": false, }, { "id": 4, "is_read": true, }, ], length = data.filter(function(item){ return item.is_read; }).length; console.log(length)
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