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Cómo combinar dos matrices en un objeto para que los valores de la primera matriz sean claves y los valores de la segunda matriz sean valores

Se dan dos objetos const en = ["lun", "mar", "mie", "jue", "vie", "sat", "dom"]; const de = ["montag", "Dienstag", "Mittwoch", "Donnerstag", "Freitag", "Samstag", "Sonntag"];

Es necesario combinar estas 2 matrices en un objeto para que los valores de la primera matriz sean claves y los valores de la segunda matriz sean valores. ¿Cómo hacerlo?

about 4 years ago · Juan Pablo Isaza
3 answers
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Puedes hacerlo usando Object.fromEntries .

 const en = ["mon", "tue", "wed", "thu", "fri", "sat", "sun"], de = ["montag", "Dienstag", "Mittwoch", "Donnerstag", "Freitag", "Samstag", "Sonntag"], result = Object.fromEntries(en.map((k, i) => [k, de[i]])); console.log(result);

También puede reducir una de las matrices al objeto deseado.

 const en = ["mon", "tue", "wed", "thu", "fri", "sat", "sun"], de = ["montag", "Dienstag", "Mittwoch", "Donnerstag", "Freitag", "Samstag", "Sonntag"], result = en.reduce((acc, k, i) => ({ ...acc, [k]: de[i] }), {}); console.log(result);

about 4 years ago · Juan Pablo Isaza Report

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Otra solución usando mapa, fácil de entender:

 const en = ["mon", "tue", "wed", "thu", "fri", "sat", "sun"]; const de = ["montag", "Dienstag", "Mittwoch", "Donnerstag", "Freitag", "Samstag", "Sonntag"]; let result = {}; en.map((item, index) => result[item] = de[index])
about 4 years ago · Juan Pablo Isaza Report

0

Iterar sobre la primera matriz y recopilar los elementos de la segunda en el índice coincidente:

 const en = ["mon", "tue", "wed", "thu", "fri", "sat", "sun"]; const de = ["montag", "Dienstag", "Mittwoch", "Donnerstag", "Freitag", "Samstag", "Sonntag"]; let dict={} ; en.forEach ( (px, pn) => { dict[px] = de[pn]; }); console.log(dict);

about 4 years ago · Juan Pablo Isaza Report
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