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I have an array of object as
arr1 = [{catid: 1, name: 'mango', category: 'fruit'}, {catid: 2, name: 'potato', category: 'veg'}, {catid: 3, name: 'chiken', category: 'nonveg'},{catid: 1, name: 'apple', category: 'fruit'}, {catid: 1, name: 'banana', category: 'fruit'}];

arr1 = [{catid: 1, name: 'mango', category: 'fruit'}, {catid: 2, name: 'potato', category: 'veg'}, {catid: 3, name: 'chiken', category: 'nonveg'},{catid: 1, name: 'apple', category: 'fruit'}, {catid: 1, name: 'banana', category: 'fruit'}];

I want to convert the above array to 2-d array based on catid of the element(basically want to group all elements on the basis of same catid):
arr2 = [[{catid: 1, name: 'mango', category: 'fruit'},{catid: 1, name: 'apple', category: 'fruit'}, {catid: 1, name: 'banana', category: 'fruit'} ],[{catid: 2, name: 'potato', category: 'veg'}],[{catid: 3, name: 'chiken', category: 'nonveg'}]]

arr2 = [[{catid: 1, name: 'mango', category: 'fruit'},{catid: 1, name: 'apple', category: 'fruit'}, {catid: 1, name: 'banana', category: 'fruit'} ],[{catid: 2, name: 'potato', category: 'veg'}],[{catid: 3, name: 'chiken', category: 'nonveg'}]]

How can I do this in typescript or javascript.


Tags: javascript,arrays,json,typescript,multidimensional-arraySource of the question:
https://stackoverflow.com/questions/7...

Question and source license information:
https://meta.stackexchange.com/help/l...
https://stackoverflow.com/