javascript array get distinct objects

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Jeri
03 Jan 2018
1const categories = ['General', 'Exotic', 'Extreme', 'Extreme', 'General' ,'Water', 'Extreme']
2.filter((value, index, categoryArray) => categoryArray.indexOf(value) === index);
3
4This will return an array that has the unique category names
5['General', 'Exotic', 'Extreme', 'Water']
6
7
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