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El método indexOf() devuelve -1 cuando el elemento está presente en la lista

 let mobile = [ "‭+9384849202", "‭+5808789645", "‭+0989645643", "‭+7864769845", ] console.log(mobile.indexOf("+7864769845"))

el resultado de esto es -1 cuando el resultado esperado es 3

Pensé que era un error de tipo al principio, pero ahora no estoy seguro.

about 4 years ago · Juan Pablo Isaza
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Hay un carácter "invisible" oculto de ancho cero al comienzo de cada cadena en la matriz. Si los elimina, funciona como se esperaba.

 let mobile = [ "+9384849202", "+5808789645", "+0989645643", "+7864769845", ] console.log(mobile.indexOf("+7864769845"))

about 4 years ago · Juan Pablo Isaza Report
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