📄 test3.js
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function test1() {
this.prop = "test1";
this.methodA = function(msg) {
document.write("MethodA--" + this.prop + ":" + msg);
}
}
function test2() {
this.prop = "test2";
this.methodB = function(msg) {
document.write("MethodB--" + this.prop + ":" + msg);
}
}
var obj1 = new test1();
var obj2 = new test2();
obj1.methodA("msg1"); // test1:msg1
obj2.methodB("msg2"); // test2:msg2
obj1.methodA.apply(obj2,["msg1"]); // test2:msg1
obj2.methodB.apply(obj1,["msg2"]); // test1:msg2
obj1.methodA.call(obj2,"msg1"); // test2:msg1
obj2.methodB.call(obj1,"msg2"); // test1:msg2
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