JavaScript Call usage examples

Call method: Invokes one of the object's methods to replace the current object with another object.
Directly on the code:
JS Example: Call Class B data in Class A
function ClassA () {
this.name = ' ClassA ';
This.getname = function () {
alert (this.name);
}
}
function ClassB () {
this.name = ' CLASSB ';
}
var ClsA = new ClassA ();
var clsb = new ClassB ();
ClsA.getName.call (CLSB);
/*
The GetName method of the CLSA object is invoked to replace the current CLSA object with the Clsb object, so this is in the CLSA object pointing to the Clsb object.
*/