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- // d1) Añade la resta...
- function resta(number1, number2) {
- var rest = number1 - number2
- console.log(rest) // The sum and rest of 7 and 3 is 10 and 4
- }
- resta(7,3)
- // d2) Y la multiplicación
- function mult (number1, number2){
- var multi = number1 * number2
- console.log(multi)
- }
- mult (4,2) // 10, 4 and 21
- // d3) Por ultimo, la división
- function div (number1, number2){
- var divi = number1 / number2
- console.log(divi)
- }
- div (4,2,21) // 10, 4, 21 and 2.3
- // d4) Ahora, intenta multiplicar un número por una string, que devuelve?
- function multstring (number1){
- var multistring = number1 * "hour";
- console.log(multistring)
- }
- multstring(10) // ....?!
- // e) Podemos controlar este error con un condicional if?
- function multstring2 (number1){
- var multistring2 = number1 * "hour"
- if (multistring2==="NaN"){console.log("OK")} else (console.log("Not OK"));
- }
- multstring2(10)
- console.log(10*"hour") // You can't do this operation!
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