Javascript array get distinct objects
const categories = ['General', 'Exotic', 'Extreme', 'Extreme', 'General' ,'Water', 'Extreme']
.filter((value, index, categoryArray) => categoryArray.indexOf(value) === index);
This will return an array that has the unique category names
['General', 'Exotic', 'Extreme', 'Water']
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const array = [ { id: 3, name: 'Central Microscopy', fiscalYear: 2018 }, { id: 5, name: 'Crystallography Facility', fiscalYear: 2018 }, { id: 3, name: 'Central Microscopy', fiscalYear: 2017 }, { id: 5, name: 'Crystallography Facility', fiscalYear: 2017 } ];const result = [];const map = new Map();for (const item of array) { if(!map.has(item.id)){ map.set(item.id, true); // set any value to Map result.push({ id: item.id, name: item.name }); }}console.log(result)
Thank you!
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