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coderpwh1024coderpwh1024
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Add files via upload
update java8 code
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7 files changed

+248
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‎jquery/W3C/对象/index.html

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>对象创建</title>
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</head>
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<body>
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<script>
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person = new Object();
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person.firstName = 'Bill';
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person.lastName = 'Gates';
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person.age = 56;
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person.eyecolor = 'blue';
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document.write(person.firstName + " is " + person.age + " years old. ");
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</script>
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<br/>
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<script>
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person = {firstName: "Bill", lastName: "Gates", age: 56, eyecolor: "blue"}
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document.write(person.firstName + " is " + person.age + " years old.");
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</script>
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<br/>
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<!--构造器方式-->
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<script type="text/javascript">
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function person(firstName, lastName, age, eyecolor) {
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this.firstName = firstName;
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this.lastName = lastName;
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this.age = age;
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this.eyecolor = eyecolor;
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}
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you = new person("Bill", "Gates", 56, "blue");
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document.write(you.firstName + " is " + you.age + " years old.")
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</script>
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<br/>
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<!--属性添加-->
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<script>
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function person(firstName, lastName, age, eyecolor) {
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this.firstName = firstName;
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this.lastName = lastName;
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this.age = age;
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this.eyecolor = eyecolor;
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this.changeName = changeName;
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function changeName(name) {
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this.lastName = name;
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}
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}
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me = new person("Bill", "Gates", 18, "blue");
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me.changeName("Are you ok?");
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document.write(me.lastName);
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</script>
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</body>
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</html>

‎jquery/W3C/对象/index2.html

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>对象循环遍历</title>
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</head>
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<body>
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<p>循环遍历对象数据</p>
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<button type="button" onclick="myfunction()">有种你就点击!</button>
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<p id="demo"></p>
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<script>
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function myfunction() {
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var x;
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var txt = "";
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person = {firstName: "Bill", lastName: "Gates", age: 18};
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for (x in person) {
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txt = txt + " " + person[x];
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}
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document.getElementById('demo').innerText = txt;
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}
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</script>
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</body>
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</html>

‎jquery/W3C/对象/index3.html

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Title</title>
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</head>
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<body>
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<script>
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var x;
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document.write("<p>x只有17位")
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x = 12345678901234567890;
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document.write(x + "</p>")
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document.write("<p>0.2+0.1=");
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x = 0.2 + 0.1;
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document.write(x + "</p>")
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document.write("<p>可分别乘以 10 并除以 10 : ");
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x = (0.2 * 10 + 0.1 * 10) / 10;
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document.write(x + "<p>");
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</script>
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</body>
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</html>

‎jquery/W3C/对象/index4.html

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>字符串</title>
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</head>
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<body>
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<script>
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var txt = "Hello world!";
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document.write(txt.length);
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document.write(txt.toUpperCase())
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</script>
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<br/>
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<script type="text/javascript">
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var myDate = new Date();
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myDate.setFullYear(2018, 1, 30);
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document.write(myDate);
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document.write("<br/>")
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var today = new Date();
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today.setDate(today.getDate() + 5);
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document.write(today);
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</script>
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<br/>
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<script>
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var myDate = new Date();
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myDate.setFullYear(2018, 1, 29);
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var today = new Date();
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if (myDate > today) {
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alert("大于当前时间!");
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} else {
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alert("小于当前时间!")
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}
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</script>
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</body>
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</html>

‎jquery/W3C/对象/index5.html

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>数组</title>
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</head>
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<body>
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<script>
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var arr = new Array();
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arr[0] = "A";
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arr[1] = "B";
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arr[2] = "C";
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var arrs = new Array(3);
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arrs[0] = "A";
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arrs[1] = "B";
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arrs[2] = "C";
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var mycars = new Array("A", "B", "C");
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document.write(mycars[0]);
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mycars[0] = "Aa";
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document.write("<br/>")
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document.write(mycars[0]);
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</script>
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</body>
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</html>

‎jquery/W3C/对象/index6.html

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>逻辑判断</title>
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</head>
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<body>
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<script>
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var myboolean = new Boolean();
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document.write(myboolean);
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document.write("<br/>");
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var myboolean2 = new Boolean("");
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document.write(myboolean2);
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document.write("<br/>");
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var myboolean3 = new Boolean(null);
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document.write(myboolean3);
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document.write("<br/>");
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var myboolean4 = new Boolean(false);
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document.write(myboolean4);
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document.write("<br/>");
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var myboolean5 = new Boolean(NaN);
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document.write(myboolean5);
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document.write("<br/>");
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var myboolean6 = new Boolean(0);
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document.write(myboolean6);
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document.write("<br/>");
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</script>
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<script>
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var bool = new Boolean(1);
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document.write(bool);
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document.write("<br/>");
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var bool2 = new Boolean(true);
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document.write(bool2);
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document.write("<br/>");
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var bool3 = new Boolean("true");
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document.write(bool3);
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document.write("<br/>");
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var bool4 = new Boolean("false");
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document.write(bool4);
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document.write("<br/>");
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var bool5 = new Boolean("Bill Gates");
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document.write(bool5);
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document.write("<br/>");
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</script>
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</body>
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</html>

‎jquery/W3C/对象/index7.html

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Title</title>
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</head>
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<body>
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<script>
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document.write(Math.round(4.7));
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document.write("<br/>");
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document.write(Math.random());
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document.write("<br/>")
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document.write(Math.floor(Math.random() * 11));
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</script>
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</body>
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</html>

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