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Que es "?" combinado con ":" en javascript?

Hola, realmente no entiendo cuál es el "?" combinado con ":" en una misma oración

Ejemplo :

 var c = myFunction(); var b = c + 3; var a = b ? c : 1; console.log(a); function myFunction() { return 3; };

En un código real, ¿qué significa?

about 4 years ago · Juan Pablo Isaza
1 answers
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0

Es un operador ternario, abreviatura de una declaración if / else .

Este:

 var a = b ? c : 1;

Es esencial:

 var a; if(b){ a = c; } else { a = 1; }
about 4 years ago · Juan Pablo Isaza Report
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