JS if/null checks
by Town
JavaScript
function test(test, tag) {
var isit = tag.group ? "truthy" : "falsey";
console.log(test);
console.dir (tag.group);
console.dir (isit);
console.log ("------------------");
}
test("Property exists and value is defined", {id: 1, group: "yes"});
test("Property exists but value is null", {id: 2, group: null});
test("Property does not exist", {id: 3});