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/**
* PersonÀࣺ¶¨ÒåÒ»¸öÈË£¬ÓиöÊôÐÔname£¬ºÍÒ»¸ögetName·½·¨
* @param {String} name
*/
function Person(name) {
this.name = name;
}
Person.prototype.getName = function() {
return this.name;
}
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public class Person {
//ÊôÐÔ£¨×ֶΣ©
String name;
//¹¹Ôì·½·¨£¨º¯Êý£©
Person(String name) {
this.name = name;
}
//·½·¨
String getName() {
return this.name;
}
}
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function Person(name) {
this.name = name;
Person.prototype.getName = function() {
return this.name;
}
}
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var p1 = new Person("Jack");
var p2 = new Person("Tom");
console.log(p1.getName());//Jack
console.log(p2.getName());//Tom
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Person.prototype.getName = function() {
return this.name;
}
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function Person(name) {
this.name = name;
if(Person._init==undefined) {
alert("ÎÒÖ»Ö´ÐÐÒ»´Î£¡");
Person.prototype.getName = function() {
return this.name;
}
Person._init = 1;
}
}
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var p1 = new Person("Andy");//µÚÒ»´Înew»áµ¯³ö'ÎÒÖ»Ö´ÐÐÒ»´Î£¡'
var p2 = new Person("Lily");//ÒÔºónewµÄ¶ÔÏó²»»áÔÙÖ´ÐÐÁË
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
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function test(){
var m=n=1;
alert(m);
}
alert(n);
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function test(){
var m=n=1;
alert(m);
}
test();
alert(n);
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if(true)
{
a = 1;
}
alert(a); //Êä³öɶ£¿
if(true)
{
var a = 1;
}
alert(a); //ÕâÓÖÊä³öʲô£¿
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