hasValue

by Terrance Smith

JavaScript

function hasValue(val) {
  var result = (!!val && typeof val != 'undefinded');
  return result;
}

var a = 10;
var b;
var c = null;
var d = undefined;

console.log('a = ' + hasValue(a));
console.log('b = ' + hasValue(b));
console.log('c = ' + hasValue(c));
console.log('d = ' + hasValue(d));