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function Person(){}
Person.prototype.name = "jack";
Person.prototype.getName = function() { return this.name;}
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var p1 = new Person();
var p2 = new Person();
console.log(p1.getName());//jack
console.log(p2.getName());//jack
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package com.mycompany.response.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServle ......
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var ob = function(){
var obj = this;
function fn1(){
alert( obj === window );//false
alert( this === window );//ture
}
this.fn2 = function() {
fn1();
}
}
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//
//Compare object function
//
function Compare(fobj,sobj)
{
var ftype = typ ......
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Since each <script> tag blocks the page from rendering during initial download, it's helpful to limit the total number of <script> tags contained in the page. This applies to both inline scripts as well as those in external files. Every time ......
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if(true)
{
a = 1;
}
alert(a); //Êä³öɶ£¿
if(true)
{
var a = 1;
}
alert(a); //ÕâÓÖÊä³öʲô£¿
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