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Matriz 2D de Javascript llena de bucle

Estoy tratando de hacer un javascript de matriz 2D usando bucles, con un resultado como este:

 [[a1,a2,a3,a4,a5][b1,b2....]..[...e3,e4,e5]]

He intentado varias cosas diferentes, usando bucles for y lo siguiente, pero no puedo crear según sea necesario.

 var cols = [1,2,3,4,5]; var rows = ["a", "b", "c","d", "e"]; var grid = [ for (r of rows) [ for (c of cols) r+c ] ];

cualquier ayuda es apreciada.

Gracias

about 4 years ago · Juan Pablo Isaza
2 answers
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0

Puede obtener el resultado deseado utilizando un map anidado sobre las filas y columnas:

 var cols = [1,2,3,4,5]; var rows = ["a", "b", "c","d", "e"]; var grid = rows.map(r => cols.map(c => r + c)); console.log(grid)

about 4 years ago · Juan Pablo Isaza Report

0

Parece que @Nick me ganó otra vez ;-) pero, obviamente, esta es la solución:

 var cols = [1,2,3,4,5]; var rows = ["a", "b", "c","d", "e"]; const res = rows.map(r=>cols.map(c=>r+c)); console.log(res);

about 4 years ago · Juan Pablo Isaza Report
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