Functions argument default value
by Mohan[ Edit ] 2012-09-20 23:29:05
Functions argument default value
function foo( a, b ) {
a = a || '123';
b = b || 55;
Print( a + ',' + b );
}
foo(); // prints: 123,55
foo('bar'); // prints: bar,55
foo('x', 'y'); // prints x,y
but:
foo(0,''); // prints: 123,55
because 0 and '' are evaluated as false !
