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Me gustaría pedirle al usuario que ingrese un número nuevamente cuando ingrese una cadena usando while, pero sale como NaN y while... no funciona
let getInch = prompt('Cm로 바꾸고 싶은 Inch 값을 넣으세요','숫자만 입력하세요'); let numInch = Number(getInch); while (numInch == NaN) { alert(`숫자만을 입력하세요`); getInch = prompt('Cm로 바꾸고 싶은 Inch 값을 넣으세요');} let numCm = Math.round(numInch * 25.4) / 10; alert(`${numInch}인치는 대략 ${numCm}센치미터 입니다`);
about 4 years ago · Juan Pablo Isaza
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Use el método isNAN() en lugar de == NaN

https://developer.mozilla.org/de/docs/Web/JavaScript/Reference/Global_Objects/isNaN

about 4 years ago · Juan Pablo Isaza Report
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