in javascript,
var a = '';
var b = (a) ? true : false;
var b will be set to false.
is this a defined behavior that can be relied upon?
in javascript, var a = ”; var b = (a) ? true : false;
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in javascript,
var a = '';
var b = (a) ? true : false;
var b will be set to false.
is this a defined behavior that can be relied upon?
Yes. Javascript is a dialect of ECMAScript, and ECMAScript language specification clearly defines this behavior:
Quote taken from http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-262.pdf