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quiero ver si no hay un día repetitivo, insértelo en newArr, ese es el caso (solo si () parte)

 const arr = ["monday","tuesday","thursday","wednesday", "friday","saturday","sunday"]; let newArr = []; var num = prompt('Enter number :'); for (var i = 0; i < num; i++) { var day = prompt('Enter day :'); if(newArr.includes(day) !== day) newArr.push(day); } var num = prompt('Enter number :'); for (var i = 0; i < num; i++) { var day = prompt('Enter day :'); if(newArr.includes(day) != day) newArr.push(day); } console.log(7 - (newArr.length));

solo quiero saber si () parte si ingresamos un día repetitivo como el viernes dos veces, presione una vez en newArr por ejemplo 1 | viernes y 1 | viernes ---- > 6

about 4 years ago · Juan Pablo Isaza
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Si desea verificar que el día ingresado esté presente en la matriz, y si no, empuje el elemento a newArr , cambie su condición if a:

 if(!newArr.includes(day)) { ... }
about 4 years ago · Juan Pablo Isaza Report
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