Oracle NVL function equivalent in JavaScript/jQuery

Question

Is there an Oracle NVL function equivalent in JavaScript/jQuery. I would be interested to see an example of how it works.

Answer 1

In Javascript this can actually be handled by the || operator, that returns the first "valid" value.

var a = null;
var b = "valid value";
var c = a || b; // c == "valid value"

Just keep in mind that "falsy" values are not only null but also for example empty string '', number 0 and boolean value false. So you need to be sure that either you consider those with the same meaning as null or your variables cannot assume those values, because in those cases you will also get the second value selected:

var a = "";
var b = "valid value";
var c = a || b; // c == "valid value"