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July 10, 2018 05:56
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Filter array objects based on selection conditions.
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var data = {"results":[{"answers":{"text":"A1"},"confidence":0.5,"name":"N1"},{"answers":{"text":"A2","type":"text"},"confidence":0.4,"name":"N2"},{"answers":{"text":"A3","type":"text"},"confidence":0.3,"name":"N3"},{"answers":{"text":"A4","type":"text"},"confidence":0.2,"name":"N4"},{"answers":{"text":"A5","type":"text"},"confidence":0.1,"name":"N5"}]}; | |
// Version 1 | |
var output = data.results.filter(ans => ans.confidence>0.2).map(ans => ({answer:ans.name,confidence:ans.confidence})); | |
// Version 2 | |
var output = data.results.reduce((f,s)=>{ | |
if(s.confidence > 0.2) f.push({answer:s.name,confidence:s.confidence}) | |
return f; | |
},[]); | |
// version 3 | |
var output = data.results.reduce((f,s)=> s.confidence > 0.2? [...f,{answer:s.name,confidence:s.confidence}] :f,[]); | |
console.log(output); |
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