第一题
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>第一题</title>
</head>
<div id="intro"></div>
<body>
<script>
var student=new Object();
student.name="高乐乐";
student.age="15";
student.introduction="我叫高乐乐，我是一个初中三年级的学<br>生，我非常喜欢音乐和打篮球";
student.intro=function () {
var str="姓名:"+this.name+"<br>年龄:"+this.age+"<br>自我介绍:"+this.introduction;
document.getElementById("intro").innerHTML=str;
}
student.intro();
</script>
</body>
</html>
第二题
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>第二题</title>
</head>
<body>
<div>
<p>姓名:<span id="name"></span></p>
<p>年龄:<span id="age"></span></p>
<p>自我介绍:<span id="intro"></span></p>
<script>
function Person(name,age){
this.name=name;
this.age=age;
}
Person.prototype.showName=function(){
return this.name;
}
Person.prototype.showAge=function () {
return this.age;
}
function Student(name,age,intro){
Person.call(this,name,age); //继承属性
this.intro=intro;
}
Student.prototype=new Person();
Student.prototype.showIntro=function () {
return this.intro;
}
var Student1=new Student("王小明",16,"我是高中一年级的学生，身高1.8米，很帅，我喜欢学习语文和英语。");
document.getElementById("name").innerHTML=Student1.showName();
document.getElementById("age").innerHTML=Student1.showAge();
document.getElementById("intro").innerHTML=Student1.showIntro();
</script>
</div><br>
<div>
<p>姓名:<span id="name1"></span></p>
<p>年龄:<span id="age1"></span></p>
<p>自我介绍:<span id="intro1"></span></p>
<script>
function Person(name1,age1){
this.name1=name1;
this.age1=age1;
}
Person.prototype.showName1=function(){
return this.name1;
}
Person.prototype.showAge1=function () {
return this.age1;
}
function Student(name1,age1,intro1){
Person.call(this,name1,age1); //继承属性
this.intro1=intro1;
}
Student.prototype=new Person();
Student.prototype.showIntro1=function () {
return this.intro1;
}
var Student1=new Student("黄妞妞",6,"我今年6岁了，非常可爱，马上就可以上小学了，就可能有好多好多的小朋友了。");
document.getElementById("name1").innerHTML=Student1.showName1();
document.getElementById("age1").innerHTML=Student1.showAge1();
document.getElementById("intro1").innerHTML=Student1.showIntro1();
</script>
</div>
</body>
</html>
第三题
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>第三题</title>
</head>
<body>
<div>
<p>我是一只<span id="color"></span>的<span id="name"></span>，我已经<span id="age"></span>岁了，我有<span id="leg"></span>条腿</p>
<script>
function Animal(color,name,age) {
this.color=color;
this.name=name;
this.age=age;
}
Animal.prototype.showColor=function () {
return this.color;
}
Animal.prototype.showName=function () {
return this.name;
}
Animal.prototype.showAge=function () {
return this.age;
}
function Poultry(name,age,color,leg) {
Animal.call(this,name,age,color);
this.leg=leg;
}
Poultry.prototype=new Animal();
Poultry.prototype.showLeg=function () {
return this.leg;
}
var Poultry1=new Poultry("灰色","小狗狗","1","4");
document.getElementById("color").innerHTML=Poultry1.showColor();
document.getElementById("name").innerHTML=Poultry1.showName();
document.getElementById("age").innerHTML=Poultry1.showAge();
document.getElementById("leg").innerHTML=Poultry1.showLeg();
</script>
</div>
<div>
<p>我是一只<span id="color1"></span>的<span id="name1"></span>，我已经<span id="age1"></span>岁了，我有<span id="leg1"></span>条腿</p>
<script>
function Animal1(color1,name1,age1) {
this.color1=color1;
this.name1=name1;
this.age1=age1;
}
Animal1.prototype.showColor1=function () {
return this.color1;
}
Animal1.prototype.showName1=function () {
return this.name1;
}
Animal1.prototype.showAge1=function () {
return this.age1;
}
function Poultry(name1,age1,color1,leg1) {
Animal1.call(this,name1,age1,color1);
this.leg1=leg1;
}
Poultry.prototype=new Animal1();
Poultry.prototype.showLeg1=function () {
return this.leg1;
}
var Poultry2=new Poultry("白色","茶杯猫","2","4");
document.getElementById("color1").innerHTML=Poultry2.showColor1();
document.getElementById("name1").innerHTML=Poultry2.showName1();
document.getElementById("age1").innerHTML=Poultry2.showAge1();
document.getElementById("leg1").innerHTML=Poultry2.showLeg1();
</script>
</div>
<div>
<p>我是一只<span id="color2"></span>的<span id="name2"></span>，我已经<span id="age2"></span>岁了，我有<span id="leg2"></span>条腿</p>
<script>
function Animal2(color2,name2,age2) {
this.color2=color2;
this.name2=name2;
this.age2=age2;
}
Animal2.prototype.showColor2=function () {
return this.color2;
}
Animal2.prototype.showName2=function () {
return this.name2;
}
Animal2.prototype.showAge2=function () {
return this.age2;
}
function Poultry(name2,age2,color2,leg2) {
Animal2.call(this,name2,age2,color2);
this.leg2=leg2;
}
Poultry.prototype=new Animal2();
Poultry.prototype.showLeg2=function () {
return this.leg2;
}
var Poultry3=new Poultry("红色","母鸡","1","2");
document.getElementById("color2").innerHTML=Poultry3.showColor2();
document.getElementById("name2").innerHTML=Poultry3.showName2();
document.getElementById("age2").innerHTML=Poultry3.showAge2();
document.getElementById("leg2").innerHTML=Poultry3.showLeg2();
</script>
</div>
</body>
</html>