What is a static method in JavaScript? An example to let you know ~!

function Foo () {
  This.age = 28
};
var a = new Foo ();
alert (a.age);//28
function () {Console.log ("Hello")}

A static property cannot be called by an instance object, which is called by an object instantiated with the new operator, such as the A call in the previous example, and can only be called by the class name, called Foo. The method that is mounted on the function itself

Why do we have static methods?

Some things do not need instances, as long as there are classes exist, such asArray.isArray(obj);
Judging an object is not an array, if this method is an array instance, then I also judge a hair ah.

Details http://blog.csdn.net/panying0903/article/details/50246091

What is a static method in JavaScript? An example to let you know ~!