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Tomando algún elemento en un orden particular en JavaScript

Tengo un objeto como el siguiente, quiero mapear esta matriz en un orden particular como, Argentina, Chile, Estados Unidos

 1: {label: 'Turkish Lira', flag: 'TR', id: 1, code: 'TRY', symbol: '₺', …} 2: {label: 'United States Dollar', flag: 'US', id: 2, code: 'USD', symbol: '$', …} 3: {label: 'Argentina Peso', flag: 'AR', id: 3, code: 'ARS', symbol: '$', …} 4: {label: 'Bahraini Dinar', flag: 'BH', id: 4, code: 'BHD', symbol: ' BD', …} 5: {label: 'Brazilian Real', flag: 'BR', id: 5, code: 'BRL', symbol: ' R$', …} 6: {label: 'Bulgarian Lev', flag: 'BG', id: 6, code: 'BGN', symbol: ' лв', …} 7: {label: 'Chilean Peso', flag: 'CL', id: 7, code: 'CLP', symbol: '$', …}

¿Cómo puedo hacer eso?

about 4 years ago · Juan Pablo Isaza
2 answers
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0

Dado que tiene una lista de elementos que desea ordenar, llamados items . Tiene una lista de índices, como [0, 4, 2, 1, 3]

Puedes indexes.map(i => items[i]);

 var items = [{ label: 'Turkish Lira', flag: 'TR', id: 1, code: 'TRY', symbol: '₺' }, { label: 'United States Dollar', flag: 'US', id: 2, code: 'USD', symbol: '$' }, { label: 'Argentina Peso', flag: 'AR', id: 3, code: 'ARS', symbol: '$', }, { label: 'Bahraini Dinar', flag: 'BH', id: 4, code: 'BHD', symbol: ' BD' }, { label: 'Brazilian Real', flag: 'BR', id: 5, code: 'BRL', symbol: ' R$' }, { label: 'Bulgarian Lev', flag: 'BG', id: 6, code: 'BGN', symbol: ' лв' }, { label: 'Chilean Peso', flag: 'CL', id: 7, code: 'CLP', symbol: '$' } ] var indexesList = [3, 5, 0, 2]; function sortByIndex(list, indexes) { return indexes.map(i => items[i]); } console.log(sortByIndex(items, indexesList));

about 4 years ago · Juan Pablo Isaza Report

0

Puede usar la ordenación de matriz de javascript

 const array = [{ label: 'Turkish Lira', flag: 'TR', id: 1, code: 'TRY', symbol: '₺' }, { label: 'United States Dollar', flag: 'US', id: 2, code: 'USD', symbol: '$' }, { label: 'Argentina Peso', flag: 'AR', id: 3, code: 'ARS', symbol: '$' }] function sortBy(a, b) { if (a.label < b.label) { return -1; } if (a.label > b.label) { return 1; } return 0; } console.log(array.sort(sortBy));

Si desea una funcionalidad genérica, puede hacerlo.

 const array = [{ label: 'Turkish Lira', flag: 'TR', id: 1, code: 'TRY', symbol: '₺' }, { label: 'United States Dollar', flag: 'US', id: 2, code: 'USD', symbol: '$' }, { label: 'Argentina Peso', flag: 'AR', id: 3, code: 'ARS', symbol: '$' }] const sortBy = (attribute) => (a, b) => { if (a[attribute] < b[attribute]) { return -1; } if (a[attribute] > b[attribute]) { return 1; } return 0; } console.log(array.sort(sortBy('label'))); console.log(array.sort(sortBy('code')));

about 4 years ago · Juan Pablo Isaza Report
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