Looking to transform an object literal that contains inner objects with a "rank" key holding floating point values into an array of these inner objects, sorted by the "rank" value.
Input Object:
{
452:{
bla:123,
dff:233,
rank:2
},
234:{
bla:123,
dff:233,
rank:1
}
}
Output Array:
[
{ bla:123, dff:233, rank:1},
{ bla:123, dff:233, rank:2 }
]
Illustration:
let data = {
apple: {
count: 5
},
banana: {
count: 2
},
cherry: {
count: 8
}
};
JavaScript Example:
let sortedArray = Object.keys( data ).sort(function( x, y ) {
return data[ x ].count - data[ y ].count;
}).map(function( key ) {
return data[ key ];
});
This code snippet will sort the objects based on the value of obj.count and then map these objects into an Array.
Outcome:
[{count: 2}, {count: 5}, {count: 8}]Source: Object.keys, Array.prototype.sort, Array.prototype.map
The provided code is based on ECMAscript 262 edition 5 standards, compatible with all modern browsers. To cater to older browser versions, inclusion of ES5-Shim libraries may be necessary.
Loop through the properties of your data structure, storing nested objects in a collection, and then organize the collection using a specialized sorting algorithm:
let dataStructure = {}; // insert your data structure here
collection = [];
for (let key in dataStructure)
collection.push(dataStructure[key]);
collection.sort(function(x,y) { return x.order - y.order; });
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