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// Create the constructor for a Person object
function Person( name ) {
this.name = name;
}
// Add a new method to the Person object
Person.prototype.getName = function() {
return this.name;
};
Person.prototype.setName = function(name) {
this.name = name;
};
// Create a new User object constructor
function User( name, password ) {
// Notice that this does not support graceful overloading/inheritance
// e.g. being able to call the super class constructor
this.name = name;
this.password = password;
};
// The User object inherits all of the Person object's methods
User.prototype = new Person();
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// A simple helper that allows you to bind new functions to the
// prototype of an object
Function.prototype.method = function(name, func) {
this.prototype[name] = func;
return this;
};
// A (rather complex) function that allows you to gracefully inherit
// functions from other objects and be able to still call the 'parent'
// object's function
Function.method('inherits', function(parent) {
// Keep track of how many parent-levels deep we are
var depth = 0;
// Inherit the parent's methods
var proto = this.prototype = new parent();
// Create a new 'priveledged' function called 'uber', that when called
// executes any function that has been written over in the inheritance
this.method('uber', function uber(name) {
var func; // The function to be execute
var ret; // The return value of the function
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var a = "hello";
var b = ",world";
var c = a.concat(b);
alert(c);
//c = "hello,world"
indexOf
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var index1 = a.indexOf("l");
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<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>ÑéÖ¤ÓÊÏäµØÖ·ºÏ·¨ÐÔ</title>
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var student={
name:"leo",
intro:function(){
alert("my name is "+this.name);
}
}
var teacher=function(f){
f();
}
teacher(student.intro);
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