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Really get an object's type in JavaScript

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toType.js
JavaScript
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function toType(obj) {
var systype = ({}).toString.call(obj).match(/\s([a-zA-Z]+)/)[1];
if (systype === "Object") {
/**
* See if this is a custom user type, a la:
* function Foo() {}
* foo = new Foo();
* toType(foo); // returns "Foo"
* toType(Foo); // returns "Function"
*/
var usertype = obj.constructor.toString().match(/function (.*?)\(/)[1];
return usertype;
} else {
return systype;
}
}

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